Ques:Q: What precious resource allows us to grow food as well as materials we turn into clothing and medicine? Read this paragraph and choose the correct option from the provided answers: Soil is a precious resource. It allows us to grow food and the materials we use to make everything from the shirt you have on to the medicine you took this morning. Soil is made up of small pieces of rock that have broken down over hundreds, if not thousands, of years. Soil is also partly made up of the remains of plants and animals, and is home to many organisms, from earthworms to ants. But soil can be damaged by unsustainable farming practices and clear-cut logging. In this chapter, you will learn how soil forms, what it contains, and how to protect it. Choices: - petroleum - mercury - gasoline - soil A:

Ans:soil
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Ques:Q: What is the region known as the myelencephalon in the embryonic brain? Read this paragraph and choose the correct option from the provided answers: Medulla The medulla is the region known as the myelencephalon in the embryonic brain. The initial portion of the name, "myel," refers to the significant white matter found in this regionespecially on its exterior, which is continuous with the white. Choices: - Telencephalon - Mesencephalon - Diencephalon - medulla A:

Ans:medulla
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Ques:Q: What force pulls bodies with mass together? Read this paragraph and choose the correct option from the provided answers: A very important point here is that the vertical motion of these two balls is identical. That is, they each fall exactly the same distance vertically in each succeeding second. The constant horizontal velocity of the blue ball has no effect on its accelerated vertical motion. Therefore, the vertical motion of the blue ball can be analyzed exactly the same as the vertical motion of the red ball. Choices: - thermal - solar - isolation - gravity A:

Ans:gravity
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Ques:Q: In what stage of photosynthesis does the calvin cycle occur? Read this paragraph and choose the correct option from the provided answers: The Calvin cycle occurs in the second stage of photosynthesis. This stage takes place in the stroma of the chloroplast. In the Calvin cycle, carbon dioxide is used to produce glucose (sugar) using the energy stored in ATP and NADPH. The energy is released from these molecules when ATP loses phosphate (P i ) to become ADP and NADPH loses hydrogen (H) to become NADP + . Choices: - third - fourth - first - second A:

Ans:
second
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