When you mix a solid material and a liquid, what observations tell you that a chemical reaction occurred?

In an investigation designed to determine the effect of the amount of water on plant growth, two groups of equal-sized bean plants of the same species were grown under identical conditions, except for the amount of water they were given.

Identify four ways in which people can directly explore space?

Does a window air conditioner pull air from outside

Which process could occur in maple trees to decrease the chromosome number in pollen cells from 52 down to 26?

In goats, a recessive gene causes the goats to "faint" when they are startled. A farmer has a goat that is a carrier for the fainting gene (Gg). Gertrude is mated with one that is homozygous dominant. How many of their offspring will be fainters

Which of the following differentiates viruses from bacteria? a. viruses need cells in order to replicate, bacteria do not b. viruses tend to be much bigger than bacteria c.

What are the four main biological macromolecules and what are their components and functions?

How is the human immunodeficiency virus (hiv) transmitted? apex?

Can a female be a carrier for a sex-linked recessive trait? Explain.

During what processes would your body use condensation reaction?