Questions and answers by

Isaiah

Questions (338)

A water molecule is made of hydrogen and oxygen atoms and has the formula H2O. How would a mixture of hydrogen and oxygen differ
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Which of the following statements is true about the lithium and the helium atoms?A. There is no difference between helium and
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When a highly reactive metal, such as magnesium (Mg), is mixed with a reactive nonmetal such as sulfur (S), the two elements
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Who introduced the Chinese writing system to the Japanese?A. Korean scribes B. Japanese princes C. Buddhist monks D. Chinese
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Confucian ideas were adopted by the Japanese during Prince Shotoku's reign. Which of the following institutions was most heavily
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Shinto is an ancient Japanese religion that started around 500 BCE or earlier. Which of these is true about the Shinto religion?
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How is Shinto different from other major religions such as Christianity, Islam, and Judaism?A. Shinto does not perform religious
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Based on the information in the table, what can be concluded about feudalism in Japan and Europe?A. The systems in both places
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In what way is the Shinto religion different from Japanese Buddhism?A. Shinto followers worship several gods. B. Shinto
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Keiji is a follower of the Shinto religion. Which of these would most likely be part of his religious practice?A. studying the
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Lady Murasaki Shikibu wrote a novel called The Tale of Genji, which depicted court life during the Heian Period. The story tells
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Keiji is a follower of the Shinto religion. Which of these would most likely be part of his religious practice?A. praying with
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Who introduced the Chinese writing system to the Japanese?A. Japanese princes B. Korean scribes C. Buddhist monks D. Chinese
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During Prince Shotoku's reign, many aspects of Chinese culture were brought to Japan. At a time long before modern-day
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The Heian period, which lasted from the late 8th century to the 12th century, was one of early Japan’s longest periods of
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The Japanese daimyo was similar toA. the Chinese emperor. B. the European vassal. C. the European lord. D. the European peasant.
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The feudal period of Japan lasted from the 12th century through the 19th century. During this time, Japan was ruled by the
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Almonds are edible seeds that grow on trees. Wild almonds typically have a bitter taste caused by a chemical in the almond. If
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White-tailed deer are mammals. Mammals have a reproductive strategy that is not found in all animals. Which two statements
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When an athlete began running, both her breathing and heart rates increased. The athlete’s breathing and heart rates
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Students were looking at coins during lunch. One of them noticed that older pennies looked and felt different from new pennies.
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A person riding a bicycle wants to move the bicycle forward. She moves her legs up and down on the bicycle’s pedals. Then the
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The student learns that carbon dioxide is stored in Earth’s mantle. Which part of the carbon cycle diagram shows the carbon
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Coal is mostly carbon. When coal is burned, it reacts with oxygen. The carbon dioxide produced is released into the atmosphere.
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In a type of bean plant, the trait for yellow pods (B) is dominant to the trait for green pods (b). A plant that is heterozygous
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Some processes add carbon dioxide to the atmosphere. There are other processes that absorb carbon dioxide from the atmosphere.
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There are advantages to both sexual and asexual reproduction. Which of these describes the most likely advantage of sexual
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A student has been learning about atoms. He wrote a small paragraph describing one. How an Atom Looks An atom
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The tribes that would later become the Mongol people were originallyA. farmers in Eastern and Southern Asia. B. rice farmers in
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The Mongols invaded Korea, known as Goryeo at the time, on several occasions between the years of 1231 and 1270. Which statement
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The Mongol's rule of China was different from other dynasties in China because the Mongol dynastyA. was the first foreign group
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use of fertilizercrop rotation use of seedlings improved irrigation new types of plows The above list describes agricultural
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Which of the following was a result of the peace in Asia in the thirteenth and fourteenth centuries under Mongol rule?A. Islam's
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The Roman Empire fell around the fifth century, and as Islam spread in the seventh century, trade between Europe and China
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known to perfect certain forms of Chinese art, such as porcelainofficial state philosophy was neo-Confucianism experienced high
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The Ming Dynasty had many strong leaders. These leaders felt the need to show their power by leaving lasting examples of the
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Which of the following is an effect of the revival of Confucianism during the Song Dynasty?A. the development of a powerful
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What impact did Mongol leaders Genghis Khan and Kublai Khan have on Europe?A. The khans and their armies taught Europeans modern
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Emperor Wen established the Sui Dynasty.The Period of Disunion was ended. Emperor Wen reunified all of China under his
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Who was responsible for overthrowing the emperor of the Yuan Dynasty in 1368?A. Liu Che B. Yang Jian C. Genghis Khan D. Zhu
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Which of the following regions of India became a state ruled by the Mongols?A. Delhi B. Punjab C. Baluchistan D. Kashmir
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If you saw a meteor shower, what layer of the atmosphere did the meteors burn up in?Exosphere Stratosphere Thermosphere
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What is the main benefit of the ozone layer?Creates beautiful auroras Trapping harmful radiation Provides a place for satellites
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What is the main factor that distinguishes one layer of the atmosphere from the next?A rise or fall in temperature The person
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Would air with water vapor be heavier or lighter than normal air without water vapor?lighter heavier
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Why does the mountain climber need an oxygen mask when climbing Mount Everest?The mountain climber is at a high altitude where
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As you go higher and higher into the atmosphere, you will have ________ pressure.more less
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What is the cause of atmospheric pressure?high temperatures low temperatures gravity ozone depletion
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What is atmospheric pressure? Force exerted by ________water vapor uneven heating the moon weight of the atmosphere
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What might explain why the incidence of skin cancer is increasing ?the thinning of the ozone layer too much oxygen more travel
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What 2 processes contribute water vapor to the atmosphere? ( Check all that apply.)evaporation transpiration precipitation
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If temperatures rise, what could happen in Miami Beach?drier streets flooded streets
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If temperatures rise, what could happen? click all that apply.higher sea level rise more carbon dioxide in the atmosphere less
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scienctists think that temperatures are going to increase by20 degrees 2 - 10 degrees farenheight
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According to NASA, what is happening to the Artic sea ice?it is expanding it is shrinking
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What are the two greenhouse gasses that are at an all time high?carbon dioxide oxygen methane
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What were the hottest years in our recent history?2014 and 2015 1898 and 1899 1998 and 2005
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Explain the Greenhouse Effect. Do the greenhouse gasses trap heat and not let it escape out to space?no yes
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Does the greenhouse effect make the earth colder or warmer?warmer colder
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What has contributed to global warming?All of the above due to the release of carbon dioxide to the atmosphere. People drive too
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Anthropogenic changes represent human changes to the environment?False True
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Is it human activity causing global warming?Image from Zaption not at all. Cars don't have anythihng to do wth this. many
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How fast is the earth warming up?0.1 - 0.2 degrees Fahrenheit 1.2 - 1.4 degrees Fahrenheit
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For __________ million years, the earth's climate has fluctuated.3.5 2.5 1.5
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Which layer of the atmosphere has lots of meteors?mesosphere stratosphere exosphere thermosphere troposphere
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Which layer of the atmosphere contains the ozone layer?troposphere thermosphere exosphere stratosphere mesosphere
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Which layer of the atmosphere has planes?exosphere mesosphere thermosphere troposphere stratosphere
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Which layer of the atmosphere contains all of Earth's weather?mesosphere exosphere thermosphere stratosphere troposphere
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What is the Coriolis Effect?Changes in humidity levels in the air Winds caused by the Earth's rotation Winds changed by air
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In convection cells what happens to air?Hot air sinks because it is more dense and Cold air rises because it is less dense Hot
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Which kind of wind blows across most of the United States?Trade Winds Polar Easterlies Prevailing Westerlies
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Which best describes the Coriolis Effect?As it spins on its axis, the Earth pulls the wind and causes it to blow in a curved
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Why does air rise over land at the beach?Cold air gets warmer over land, which makes it lighter, so it rises Warm air over the
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What three things affect air pressure?height above sea level, temperature, and water vapor wind, Earth's distance from the moon,
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What does air presssure have to do with wind?It is the primary cause of Trade Winds. It creates downdrafts that blow from the
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What gives wind its mass?air pressure barometric pressure the convection cell air molecules
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What produces most of the planet's oxygen?photosynthesis in plants there is a glitch. Click this answer and the one on plants.
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Nitrogen can be "fixed" in the soil. What is the main cause of nitrogen fixation in the soil?water cycle bacteria lightning
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Check ALL the sources of particulates in the atmosphere that have been named in our study.salt particles volcanic ash dust
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What makes up 99% of our atmosphere?oxygen nitrogen and oxygen carbon dioxide
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The overall flow of energy through an ecosystem is fromA. herbivores to photosynthetic organisms to carnivores and decomposers.
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Which of these is the main difference between aerobic respiration and anaerobic respiration?A. Anaerobic respiration does not
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Plants make food through photosynthesis, and photosynthesis takes place mostly in plant leaves, but when plants lose their
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What is the primary function of decomposers in an ecosystem?A. Decomposers break down matter from dead organisms into simpler
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The carbon that plants need for photosynthesis comes fromA. carbon dioxide gas in the atmosphere. B. carbon atoms from the
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How does energy usually flow in ecosystems?A. from the Sun through consumers to producers B. from producers through the Sun to
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All cells need energy to perform various processes and to make molecules that are necessary to sustain their lives. From where
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Carbon is returned to the atmosphere through _______.A. photosynthesis B. respiration of plants and animals C. dissolution of
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During cellular respiration, plants take in _______ from the air and break down stored _______.A. light energy; oxygen B. light
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Carbon is taken from the atmosphere through _______.A. combustion of organic material B. volcanic activity C. photosynthesis D.
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The main reason that cells carry out cellular respiration is to _______.A. release energy B. get glucose C. eliminate wastes D.
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All living things need energy to perform their life processes. How and where do they get the energy that they need?A. the
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Cellular respiration involves a reaction between glucose and oxygen to formA. energy. B. carbon dioxide. C. water. D. all of
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An ecosystem is shown in the picture below.In an ecosystem, materials can be recycled. Which of the following materials can
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Through the process of photosynthesis, light energy from the Sun was transformed into chemical energy in the form of sugar
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The process of cellular respiration begins with molecules of _______ and ends with the production of _______.A. glucose, energy
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The process of photosynthesis converts carbon atoms from carbon dioxide into _______.A. sugars B. oxygen C. hydrogen D. salts
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Phytoplankton are single-celled, photosynthetic organisms living at the surface of the ocean. How do phytoplankton affect the
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A plant produces its own food through the process of photosynthesis. Which of the following materials do plants need in order to
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Which of the following correctly describes the relationship of different organisms in an ecosystem?A. Some animals receive
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