Use information from the paragraph to answer the question. Paragraph : The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased. Question: When humans tear down trees what happens to the population of the animals in the tree Lower or Increase?
Lower
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Use information from the paragraph to answer the question. Paragraph : Bases have pH values above 7. The higher the pH value, the more strongly basic the substance. Question: Compared to vinegar, which is an acid, would lye, which is a strong base, have a pH value that is higher or lower??
higher
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Use information from the paragraph to answer the question. Paragraph : With higher frequencies, the microwaves also have more energy. Question: As waves on the ocean shrink in size and number they have more energy or less energy?
less energy
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Use information from the paragraph to answer the question. Paragraph : For a given medium such as air, sound has a slower speed at lower temperatures. Question: If Mary is blowing an air horn underwater and she lowers the temperature of the water, what will happen to the speed of the sound waves generated by the air horn increase or decrease?
decrease
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