Answer the following question given this paragraph: All elements have an oxidation number of zero in their pure form. Q: In their pure form, all elements have an oxidation number of what? Choices: - 3 - 2 - 7 - zero A:
zero
Answer the following question given this paragraph: Salamanders are carnivorous , eating only other animals, not plants. They will eat almost any smaller animal, such as worms, centipedes, crickets, spiders, and slugs. Some will even eat small invertebrates. Finally, salamanders have the ability to grow back lost limbs, as well as other body parts. This process is known as regeneration. Q: What is the term used for the ability of salamanders to grow back lost limbs and other body parts? Choices: - extraction - transformation - expansion - regeneration A:
regeneration
Q: Answer the following question given this paragraph: Primary succession occurs in an area that has never before been colonized. Pioneer species include bacteria and lichens that can grow on bare rock and help make soil. Q: What kind of succession occurs in an area that has never before been colonized? Choices: - addition succession - secondary succession - support succession - primary succession A:
A: primary succession
Question: Answer the following question given this paragraph: Some sunlight is good for your health. Vitamin D is made in the skin when it is exposed to sunlight. But getting too much sun can be unhealthy. A sunburn is a burn to the skin that is caused by overexposure to UV radiation from the sun's rays or tanning beds. Q: Which vitamin is made in the skin when it is exposed to sunlight? Choices: - Vitamin C - Vitamin B1 - Riboflavin - vitamin d A:
Answer: vitamin d
*Question*
Answer the following question given this paragraph: The immune system usually protects you from pathogens and other causes of disease. When the immune system is working properly, it keeps you from getting sick. But the immune system is like any other system of the body. It can break down or develop diseases. Q: What system of the body can specifically protect you from pathogens and other things that might make you ill? Choices: - muscle - cardiovascular - digestion - immune A:
**Answer**
immune
Answer the following question given this paragraph: Q: What type of tissue runs the length of a stem in vascular bundles? Choices: - thermal tissue - muscle tissue - cardiac tissue - vascular tissue A:
vascular tissue