Answer the following question given this paragraph: The planets make slightly elliptical orbits around the Sun. Q: What is the shape of the orbits that planets make around the sun? Choices: - conical - variable - elongated - elliptical A:
elliptical

Answer the following question given this paragraph: Water is involved in most biochemical reactions. Therefore, water is essential to life. Q: What substance, involved in most biochemical reactions, is essential to life? Choices: - carbon - nitrogen - air - water A:
water

Answer the following question given this paragraph: specialized tissue inside plant leaves where photosynthesis takes place. Q: What important process takes place in specialized tissue inside plant leaves? Choices: - pollination - mitosis - reproduction - photosynthesis A:
photosynthesis

Answer the following question given this paragraph: All living things need energy. You can often see energy at work in living things. Look at the hummingbird and jellyfish in Figure below . Both of them are obviously using energy. Living things constantly use energy in less obvious ways as well. Inside every cell, all living things need energy to carry out life processes. Life runs on chemical energy. Where does this chemical energy come from?. Q: Each cell and every living thing requires what? Choices: - potassium - calcium - salt - energy A:
energy