Answer the following question given this paragraph: Clouds are needed for precipitation. Precipitation is water that falls from the sky. This may fall as liquid water, mostly as rain . It may fall also as frozen water, such as snow. Q: What is the water that falls from the sky called? Choices: - evaporation - condensation - moisture - precipitation A:
precipitation

Answer the following question given this paragraph: Volvox Colony. Volvox cells live in a colony shaped like a hollow ball. The cells of the colony may be connected by strands of cytoplasm and can function together. For example, the whole colony can swim from one place to another as one. Q: What shape is the colony of a volvox cell? Choices: - pyramid - coil-shaped - tubular - hollow ball shaped A:
hollow ball shaped

Answer the following question given this paragraph: Q: Each species of legume is associated with a strain of __________ Choices: - agrobacterium - fungi - heliotropium - rhizobium A:
rhizobium

Answer the following question given this paragraph: Hydrogen has the smallest, lightest atoms of all elements. Pure hydrogen is a colorless, odorless, tasteless gas that is nontoxic but highly flammable. Hydrogen gas exists mainly as diatomic ("two-atom") molecules (H 2 ), as shown in the diagram on the right. Hydrogen is the most abundant element in the universe and the third most abundant element on Earth, occurring mainly in compounds such as water. Q: What has the smallest, lightest atoms of all the elements and is colorless, odorless, tasteless and nontoxic, but highly flammable in its pure state? Choices: - helium - magnesium - barium - hydrogen A:
hydrogen