Answer the following question given this paragraph: Water is a common chemical substance on planet Earth. In fact, Earth is sometimes called the "water planet" because almost 75% of its surface is covered with water. If you look at Figure below , you will see where Earth's water is found. The term water generally refers to its liquid state, and water is a liquid over a wide range of temperatures on Earth. However, water also occurs on Earth as a solid (ice) and as a gas (water vapor). Q: What is a common chemical substance on planet earth? Choices: - oxygen - nitrogen - hydrogen - water A:
water
Answer the following question given this paragraph: Reactants and products are equally abundant at equilibrium. Q: At equilibrium reactants and what are equally abundant? Choices: - results - proactives - minerals - products A:
products
Q: Answer the following question given this paragraph: Most of the energy used by living things comes either directly or indirectly from the sun. That's because sunlight provides the energy for photosynthesis. This is the process in which plants and certain other organisms synthesize glucose (C 6 H 12 O 6 ). The process uses carbon dioxide and water and also produces oxygen. The overall chemical equation for photosynthesis is:. Q: Most of the energy used by living things comes either directly or indirectly from what? Choices: - plants - the moon - the soil - the sun A:
A: the sun
Question: Answer the following question given this paragraph: The sporozoans are protists that produce spores, such as the toxoplasma . These protists do not move at all. The spores develop into new protists. Q: What is the term for protists that produce spores, such as the toxoplasm? Choices: - protozoans - spermatozoa - newborns - sporozoans A:
Answer: sporozoans
*Question*
Answer the following question given this paragraph: The pea-sized pituitary gland is just below the hypothalamus and attached directly to it. The pituitary receives hormones from the hypothalamus. It also secretes its own hormones. Most pituitary hormones control other endocrine glands. That's why the pituitary gland is called the "master gland" of the endocrine system. Table below lists several pituitary hormones and what they do. Q: The pituitary gland is called the "master gland" of what system? Choices: - hormonal - digestive - nervous - endocrine A:
**Answer**
endocrine
*Question*
Answer the following question given this paragraph: Amphibians have permeable skin that easily absorbs substances from the environment. This may explain why they seem to be especially sensitive to pollution. Monitoring the health and survival of amphibians may help people detect pollution early, before other organisms are affected. Q: What group of animals has permeable skin that makes them vulnerable to pollution? Choices: - fish - mammals - reptiles - amphibians A:
**Answer**
amphibians