a. The knee is to the ankle. b. The ear is to the nose. c. The nose is to the lips. d. The lips are to the teeth. e. The heart isto the sternum(breastbone). *

Which direction does the energy flow in this energy pyramid ?

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Animals that have thick fur and ae able to store large amounts of body fat live where ?