Using the concept of osmosis, explain why water is sprayed over produce in a grocery store. how might this change the appearance of the produce, and why would this change be desirable?

How much weight can a giant insect bear?

What evidence is there to suggest that tectonic plates move?

Explain how a trace fossil can provide information on how an organism lived

Which of the following is true of mutations? -A.) Most mutations are beneficial. - B.) Mutations can sometimes produce organisms with new & desirable characteristics. - C.) Mutations produce changes that are not inheritable. - D.

Why do people grow hair?

True or false abstinence is the only way to prevent pregnancy 100%.

Without animals can plants survive?

A molecule is two or more atoms bonded together. A hydrogen gas molecule (H2) is two hydrogen atoms bonded together. Gina is building a model of a hydrogen molecule with balls and sticks. Which of these is the best model for her to build?

Which plant below has a woody stem? A. grass B. tomato plant C. tulip D. pine tree

Can mutations in DNA cause changes in an organism? Explain.