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Questions and answers by
Maria Candea
Questions (445)
What is the general trend in access to safe water worldwide? Is clean water getting more or less accessible?
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1. Why is it important to understand the claim, evidence, and reasoning in an argument?
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Two angles are supplementary. One has a measure of 19 degrees. What is the measure of the other?
71 degrees 161 degrees 109
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What do you call a pair of angles whose sum of the measures is equal to 180 degrees?
adjacent angles vertical angles
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What do you call a pair of angles whose sum of the measures is equal to 90 degrees?
adjacent angles vertical angles complementary
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What do latitude and longitude lines help geographers identify?
to determine the elevation of mountains to find relative location
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What characteristic of a region can end up dividing the people who live within the region?
the people belonging to different
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What would be the best title for a section of your textbook, if these were the topics being covered?
- Location - Place - Region
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How do visible and invisible sources of pollution affect the environment
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Humans and other animals breathe in PM2.5. Because of its size, PM2.5 travels deep into the lungs. Use this information to
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How would you expect data from a less populated, rural area to compare to PM2.5 levels in cities like Los Angeles and
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PM2.5 settles on plant leaves and blocks sunlight. It also contributes to acid rain. Given this information, identify two ways
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How are light and noise similar to pollutants in air and water?
A They are equally easy to clean up B They are visible without a
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In the last paragraph, the text says that light and noise pollution can be remedied. What does this mean?
A They can be treated
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Noise pollution affects marine animals, too. As shown in the image, whales are particularly vulnerable because they communicate
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A T-shirt comes in different sizes. A large T-shirt is 21.5 in. wide and 26.5 in. long. If a small youth T-shirt is 15.5 in.
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describes the effects of air pollution.
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causes of water pollution.
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Over time, ocean plastic breaks into tiny pieces. The largest of these microplastics is about the size of a sesame seed, and
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How do visible and invisible sources of pollution affect the environment?
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Clarissa makes a scale model of the Titanic.
* The actual Titanic was 175 feet tall. * Clarissa's model is 35 inches tall. What
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What followed the overthrow of civilian presidents?
Street celebrations Serious debates Mourning Several days of calm
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What is a coup?
A dessert served in a fancy restaurant a sudden, violent, and unlawful seizure of power from a government A new
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Type the correct answer in each box. Use numbers instead of words.
What are the quotient and remainder? 515 ÷ 17 = remainder
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Type the correct answer in each box. Use numbers instead of words.
What are the quotient and remainder? 6,832 ÷ 22 = with a
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Select the two correct answers.
An incomplete multiplication equation is shown. 62 × ? = 1,736 What are the related division
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Rectangles H and J are similar. If the area of rectangle H is 14, what is the area of rectangle J?
7 3.15 Area = 14 Rectangle H
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A city just discovered that the levels of pollutants in the lake near the city's center are very high.
Which solution should the
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The image on a movie poster was shrunk to make the DVD cover art for the movie, so that the cover art is a scale image of the
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What is a popular dish in Morocco and Algeria?
Falafel Couscous Salad Chickpeas
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When did European's and Arabs start taking slaves from Africa?
Eighteenth century Sixteenth century Late fifteenth century Early
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A school ordered 323 new science books. If each book has 421 pages, how many total pages are there combined in the new science
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Josie traveled 512 miles each day for a 10-day road trip. How many total miles did she travel altogether?
A. 5,120 miles B. 1,024
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Janet can type 64 words in one minute. How many words can she type in 45 minutes?
A. 2,760 words B. 3,456 words C. 2,880 words D.
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Which of the following increases the sustainability of an ecosystem?
A. increased biodiversity B. decreased internal stimuli C.
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What does instability in an ecosystem refer too?
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Gerry is packing dishes into boxes to be shipped. It takes Gerry 2
4 3 hours to pack 4 2 1 boxes. At this rate, how may
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what's 1/6 as a decimal
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Given the equation, identify the slope and y-intercept.
y= 5x +1 The slope is and the y-intercept is (,) .
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Gerry is packing dishes into boxes to be shipped. It takes Gerry 2
4 3 hours to pack 4 2 1 boxes. At this rate, how may
1 answer
13 views
It costs $0.50 to download an individual song and a $4 processing fee.
Select the equation relating the cost of the songs, s, and
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A grocery store charges $0.75 per donut. Which equation can be used to find c, the total cost, in dollars, to buy d donuts?
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An 8-ounce cup of gourmet coffee costs $4.96. If the unit price remains the same, how much would a 12-ounce cup of gourmet
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Gerry is packing dishes into boxes to be shipped. It takes Gerry 2
4 3 hours to pack 4 2 1 boxes. At this rate, how may
1 answer
11 views
Explain how the animals and plants of a healthy ecosystem are organized and interact.
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What are dry streambeds called in Africa?
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How much of the Sahara Desert is covered in sand?
.25 .50 .33 .15
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How much of the Sahara Desert is covered in sand?
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Energy can be measured in calories. 1,000 calories is called a kilocalorie (kcal).
If the producers have 10,000 kcal of energy
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Which is the smallest country in Africa?
Seychelles Algeria Benin Ethiopia
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Which animal is most dangerous for humans in Africa?
Crocodile Hippopotamus Zebra Lion
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What physical feature is considered one of the Seven Natural Wonders of the World?
Victoria Falls Savanna Grasslands Sahara
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What is a main tourist attraction in North Africa?
Tunisia Lake Victoria Pyramids of Giza Nile River Delta
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Where does the Nile River begin?
Lake Michigan Lake Victoria Sharah Oasis Indian Ocean
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Which country is the largest?
South Africa Algeria Egypt Congo
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What is the eastern peninsula of Africa known as?
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How many countries are in Africa?
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By which other names is Africa called? (select all that apply)
Cradle of Mankind Down Under Sub-Continent Mother Continent
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Africa is the largest continent on the planet.
True False
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White-tailed deer live in forested areas and eat plants. Space is a limiting factor for all organisms. White-tailed deer in a
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Last month, the soccer team held a bake sale to raise money for new uniforms. They did not raise enough money, so they organized
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Randall needs to pour 0.60 milliliters of a liquid for his science class. The beaker only has markings for fractions.
Which
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Which fraction is equal to 52.7?
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12/100 as a decimal
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403/10 as a decimal
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Based on the map and reading, which of the following best defines regionalism?
Standard: 7.4.4.HS, Skill: CF A strong feeling of
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Russia's invasion of Ukraine brings into question which of the following terms? (Select the best answer)
Standard: 7.4.5.HS,
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Simplify the expression below using order of operations.
start fraction, 3, plus, left parenthesis, minus, 3, right parenthesis,
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Simplify the expression below using order of operations.
start fraction, minus, 1, plus, left parenthesis, minus, 3, right
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Simplify the expression below using order of operations.
open square bracket, left parenthesis, minus, 4, plus, 2, right
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Rewrite in simplest terms: 5, left parenthesis, 0, point, 1, x, minus, 0, point, 2, right parenthesis, plus, 10,
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Rewrite in simplest terms: minus, 9, left parenthesis, minus, 0, point, 7, h, minus, 2, h, plus, 8, right parenthesis, minus, 2,
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Rewrite in simplest terms: 6, left parenthesis, 0, point, 2, a, minus, 0, point, 8, b, right parenthesis, plus, 4, b, minus, 8,
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Rewrite in simplest terms: minus, 0, point, 4, r, minus, 3, left parenthesis, minus, 9, r, minus, 6, right
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Rewrite in simplest terms: minus, 0, point, 3, left parenthesis, minus, 5, a, plus, 3, b, right parenthesis, plus, 9, b, minus,
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−1.8=
0.2+ 0.2 c
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−16.8=
− 0.1 y −1.8
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3.4+2.9y=
2.82
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1.38=
1.4c+0.4
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0.4=
−1.1− 0.8 x
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3.76=
2.4+ 2.5 b
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−0.1+
1.7 y = 0.9
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2.5−2.5y=
5
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David has a smart phone data plan that costs $30 per month that includes 6 GB of data, but will charge an extra $10 per GB over
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A population of sagebrush lives in a grassland ecosystem. Over several years, erosion causes the soil of the grassland to have
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Which of the following is a living factor in an ecosystem that could limit the size of a raccoon population?
A. a forest fire B.
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How are changes in populations related to the availability of an ecosystem's resources?
A. Population sizes are limited by the
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If a drought causes the stream to run dry one year, how will this likely impact the black bear population?
A. The population's
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Foxes in the Arctic primarily eat hare. Hare eat plants, such as berries, leaves, and grass.
If the plants in an Arctic area
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All living organisms have basic needs. As a result, the number and kind of organisms that an ecosystem can support are limited
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All living organisms have basic needs. As a result, the number and kind of organisms that an ecosystem can support are limited
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12 views
White-tailed deer live in forested areas and eat plants. Space is a limiting factor for all organisms. White-tailed deer in a
1 answer
14 views
Although beavers are social creatures in the sense that they tend to mate for life and live with their families, they are also
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What living and non-living factors play a role in the nitrogen cycle?
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Describe what happens during each of the three processes that make up the water cycle.
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1. A series of events in which one organism obtains energy by eating another organism is called
A. evaporation. B. a food chain.
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The proportional relationship between the number of inches a candle has burned away, b, at any time in hours, t, can be
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describes the role of decomposers in an ecosystem.
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What is the slope of the line that passes through the points left parenthesis, 7, comma, minus, 5, right parenthesis(7,−5) and
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What is the slope of the line that passes through the points left parenthesis, minus, 1, comma, 6, right parenthesis(−1,6) and
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