Which is not a source of carbon dioxide gas?

A humans

B machines

C plants

D factories

Select the correct level on the energy pyramid. The energy pyramid shows the flow of energy through a temperate forest ecosystem.

If a filter in a fish tank creates a stream of flowing water near the edge of the tank, what might happen?

Which type of condition is acquired in a hospital or clinic setting?

Describe what normally happens to a persons blood sugar level soon after he or she needs a meal that contains carbohydrates

What are the two main purposes of DNA?

Which term best describes the work done by a community in which people mostly raise animals for meat, milk, and clothing? O A. Farming O B. Domestigating Hunting and gathering O D. Manufacturing

A client underwent an open cholecystectomy 4 days ago, and her incision is now in the proliferative phase of healing. what is the dominant cellular process that characterizes this phase of the client's healing?

What happens to alleles between the p generation and the f2 generation?

Which form of direct democracy would you be using if you voted to remove your governor from office? A.) referendum B.) recall C.) initiative D.) bond

Suggest reasons for the acceleration rates in extinction rates in recent decades