Answer the following question given this paragraph: Carbon doesn't stop there. Living things get energy from food in a process called respiration. This releases carbon dioxide back into the atmosphere. The cycle then repeats. Q: Living things get energy from food in a process called respiration, which releases what gas back into the atmosphere? Choices: - oxygen - hydrogen - nitrogen - carbon dioxide A:
carbon dioxide
Answer the following question given this paragraph: Dirt that gets on our hands can be difficult to remove by rinsing with cold water. What are some things that you can do to increase the solubility of dirt, making it easier to dissolve in running water?. Q: Increasing what property of dirt would make it easier to rinse off your hands? Choices: - turbidity - density - viscosity - solubility A:
solubility
Q: Answer the following question given this paragraph: Rounding is done when one or more ending digits are dropped to get the correct number of significant figures. Simple rules state when to round up and when to round down. Q: What is it called when one or more ending digits are dropped to get the correct number of significant figures? Choices: - basing - turning - scientific notation - rounding A:
A: rounding
Question: Answer the following question given this paragraph: Roots have primary and secondary meristems for growth in length and width. As roots grow longer, they always grow down into the ground. Even if you turn a plant upside down, its roots will try to grow downward. How do roots "know" which way to grow? How can they tell down from up? Specialized cells in root caps are able to detect gravity. The cells direct meristem in the tips of roots to grow downward toward the center of Earth. This is generally adaptive for land plants. Can you explain why?. Q: As roots grow longer they will always do what? Choices: - change direction - get larger - get thicker - grow downward A:
Answer: grow downward
*Question*
Answer the following question given this paragraph: Earth rotates on its axis once each day and revolves around the Sun once every year. Q: Earth rotates on its axis once each day and revolves around the sun how often? Choices: - once each month - ever 3 years - every other year - once each year A:
**Answer**
once each year
Q: Answer the following question given this paragraph: Humans can see in three dimensions and color. Q: How many dimensions can humans see in? Choices: - five - two - one - three A:
A: three