Questions and answers by

ulyjh,b

Questions (71)

A student is using a weak computer to design a logo. If the weak computer is the only constraint, should the student use the
1. 9 answers
2. 194 views
Which statement regarding sound traveling in air is correct?(1 point) The frequency of a sound does O not affect the speed at
1. 5 answers
2. 219 views
Which combination of frequencies would produce the lowest beat frequency? (1 point)O 10 Hz and 15 Hz 10 Hz and 20 Hz 500 Hz and
1. 3 answers
2. 149 views
Use the ray diagram for a lens to answer the question.focal length focal length focus focus Which of these best describes the
1. 3 answers
2. 260 views
How do electromagnets cause a maglev train to levitate above the track? (1 point)Magnets in the track and magnets in the bottom
1. 1 answer
2. 197 views
How can a team of students work together creatively to design an electromagnet? (1 point)They can research different kinds of
1. 1 answer
2. 165 views
A student wants to use the equation for Coulomb's Law to calculate the electric force between two charges. Which shows all of
1. 3 answers
2. 202 views
A student wants to use the equation for Coulomb's Law to calculate the electric force between two charges. Which shows all of
1. 1 answer
2. 193 views
Which scenario shows radiation? (1 point)O Eggs cook in a skillet. The air under a reading lamp is warmed. O Eggs boil in a pot
1. 1 answer
2. 172 views
What is the relationship between heat and thermal conductors? (1 point)Thermal conductors have no effect on heat. Thermal
1. 1 answer
2. 180 views
What is the best description of heat? (1 point)O thermal energy the measure of the average O kinetic energy of the particles in
1. 1 answer
2. 155 views
Which of the following factors would decrease the magnetic field strength of an electromagnet? (1 point)increasing the distances
1. 3 answers
2. 189 views
A bar magnet is held in place while another bar magnet is placed near it. The second bar magnet spins around and attaches to the
1. 1 answer
2. 168 views
When two charged particles are moving toward each other, their velocities decrease until they eventually come to a stop. What
1. 3 answers
2. 186 views
Which factors influence whether buildings are sustainable? Write 3-5 sentences.(4 points)
1. 1 answer
2. 151 views
In at least 2 sentences, outline the causes and impacts of one of the following processes: volcanism, tectonic uplift,
1. 1 answer
2. 158 views
In 3–5 sentences, what is the evidence available for movements of Earth’s crust and continental plates?(4 points)
1. 1 answer
2. 123 views
In 3–5 sentences explain how the evolution of photosynthetic organisms led to a drastic change in Earth’s atmosphere and
1. 2 answers
2. 119 views
Earth Science Unit Test14 of 1814 of 18 Items Question Which of these policies can cause electronic products to be designed
1. 1 answer
2. 189 views
Which of these is the best solution for an electronic product to be environmentally friendly? (1 point)Responses Choose recycled
1. 1 answer
2. 166 views
Which is true about wood?(1 point)Responses While wood is more sustainable than steel or concrete, it is less safe because it is
1. 1 answer
2. 169 views
Which is true about energy production?(1 point)Responses Fossil fuels are the cheapest forms of energy production. Fossil fuels
1. 1 answer
2. 173 views
Why do people no longer live in places like Picher, Oklahoma, or Bhopal, India?(1 point)Responses human-made subsidence
1. 1 answer
2. 183 views
Which is the most likely effect of sea level rising due to climate change?(1 point)Responses Populations will face more tsunami
1. 1 answer
2. 122 views
Which natural resources can lead to a larger population in an area? (1 point)Responses Natural resources do not have a
1. 1 answer
2. 233 views
Earth Science Unit Test6 of 186 of 18 Items Question Monoculture, in which farmers raise a single crop in a field every year,
1. 1 answer
2. 206 views
Acidic water is known to react with the substances in limestone, breaking it down. What is this process called?(1 point)Response
1. 1 answer
2. 138 views
Earth Science Unit Test4 of 184 of 18 Items Question Why do convergent boundaries cause the formation of volcanoes? (1 point)
1. 1 answer
2. 167 views
Earth Science Unit Test2 of 182 of 18 Items Question Use the image to answer the question. An illustration shows two irregularly
1. 3 answers
2. 146 views
1 of 181 of 18 Items1 of 181 of 18 Items Question Which is an example of evidence that changes in the biosphere affect other
1. 1 answer
2. 114 views
Which is an example of evidence that changes in the biosphere affect other Earth systems?O Increasing carbon dioxide
1. 1 answer
2. 141 views
What demands did President George W. Bush give to the Taliban leaders? Select two correct answers.A. establish a democratic
1. 1 answer
2. 105 views
How has immigration policy changed over time?O A. Since 1965, the U.S eliminated quotas based on national origin. O B. Since
1. 1 answer
2. 146 views
In a Works Cited page, how are sources organized? (1)O in alphabetical order O in order of appearance in the paper O in groups,
1. 1 answer
2. 145 views
1. In a citation within a Works Cited page, which of the following should NOT be in italics?the title of a book O the title of
1. 1 answer
2. 160 views
Which is true about the waste produced from mining? (1 point)O Toxic waste used to be dumped into nearby ponds, but not anymore.
1. 1 answer
2. 194 views
Which is true about recycling? (1 point)Recycling is generally cheaper than putting things in landfills, but more expensive than
1. 1 answer
2. 178 views
Which is true about mining and minerals ending up in landfills? (1 point)Landfills, but not mining, can damage the soil, and it
1. 1 answer
2. 136 views
Which is true about the price of sustainable buildings? (1 point)It is generally more expensive over the lifetime of the
1. 1 answer
2. 162 views
A building is considered to be energy efficient. Does that mean it can help to reduce climate change?O No, energy efficiency
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2. 223 views
Which is the most effective way for an individual on their own to reduce climate change? (1 point)O recycle O buy organic
1. 1 answer
2. 128 views
hich is the biggest hazard for the Pacific coast and the Ring of Fire?(1 point)Responses earthquake earthquake drought drought
1. 0 answers
2. 153 views
Which is true about natural resources and conflict? (1 point)Responses Expensive resources such as rare minerals can lead to
1. 1 answer
2. 153 views
A country is one of the wealthiest. Which is necessarily true about the native natural resources of the country?O It is able to
1. 1 answer
2. 218 views
The radius of circle O is 32, and OC = 13. The diagram is not drawn to scale.B What is the length of AB? Round the answer to the
1. 1 answer
2. 214 views
The radius of circle O is 32, and OC = 13. The diagram is not drawn to scale.B What is the length of AB? Round the answer to the
1. 1 answer
2. 203 views
WZ and XR are diameters of circle C. The diagram is not drawn to scale. (1 point)Z 97° X 41° R W What is the measure of ZWX?
1. 1 answer
2. 236 views
While researching an essay on the criticisms of Roosevelt's New Deal, you find a personal website written by an anonymous author
1. 1 answer
2. 152 views
Why has the United States been reluctant to take action on climate change?A. Scientists disagree upon the best way to combat the
1. 1 answer
2. 108 views
In 3-5 sentences, describe how the following people broke barriers by assuming positions of power: Colin Powell, Condoleezza
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2. 238 views
Why are natural formations so different and unique? (1 point)Divergent boundaries moving away from each other cause the
1. 1 answer
2. 248 views
Which of the following natural structures occurs at a transform plate boundary? (1 point)mountain O ridge O trench fault
1. 1 answer
2. 132 views
How does the presence of mid-ocean ridges give evidence of continental drift? (1 point)O Seafloor spreading shows that tectonic
1. 1 answer
2. 203 views
Which statement accurately describes fossils? (1 point)O Fossils are the decomposing organisms that died recently. O Fossils are
1. 1 answer
2. 259 views
What is the relationship between Howard Foster's data about earthquake occurrences and Marie Tharp's data about mid-ocean
1. 1 answer
2. 226 views
Which caused early evolution of Earth's atmosphere? (1 point)O Cyanobacteria and prokaryotes used oxygen. O Cyanobacteria and
1. 1 answer
2. 232 views
How did oxygen in the atmosphere contribute to weathering of the lithosphere? (1 point)O It removed the iron from rocks and
1. 1 answer
2. 194 views
What do red lines in rocks indicate about the biosphere? (1 pointO Volcanic action has damaged the biosphere. O Carbon dioxide
1. 2 answers
2. 246 views
Compare the early Earth atmosphere to modern Earth atmosphere. (1 point)O There is now less carbon dioxide, less oxygen, and
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2. 150 views
Stromatolites form when (1 point)volcanoes erupt and kill surrounding organisms. cyanobacteria grow on top of rocks and harden
1. 1 answer
2. 115 views
In 3-5 sentences, explain the process of photosynthesis and why it is important.
1. 0 answers
2. 91 views
Which of the following describes a positive correlation? (1 point)O As fertilizer use is decreased, the number of insects on a
1. 1 answer
2. 147 views
Since 1983, the amount of carbon dioxide in the ocean isand the pH of ocean water is
1. 1 answer
2. 128 views
What is true about scientists who study the evolution of species? (1 point)Scientists have observed speciation in progress in
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2. 219 views
Which of these is the clearest sign that two populations are different species? (1 point)If two populations live very far from
1. 1 answer
2. 178 views
Compare the adaptation rate of humans to moths. (1 point)Humans adapt slower than moths due to moths' shorter lifespans.
1. 1 answer
2. 183 views
Which of the following is a way that populations of species are limited? (1 point)Population size is generally unpredictable.
1. 1 answer
2. 128 views
Soy is nutrient dense. Most soy products are fed to farm animals, but people who eat plant-based diets typically use soy as the
1. 1 answer
2. 168 views
carbon in the airD E BA organic waste Which of the arrows shown above represent the process of cellular respiration? (1 point) B
1. 1 answer
2. 92 views
Cellular respiration is a chemical process in cells that releases energy the cells need to function. What statement below is
1. 1 answer
2. 177 views
In a grassland ecosystem, grass is the producer. The grass is eaten by rabbits. The rabbits are eaten by foxes. And the foxes
1. 1 answer
2. 186 views