I believe i<span>mproving air circulation.
Hope this helps!</span>
True... examples: the spine helps you stay up right which would help for structure and the skull help protect the brain which would be protection
The arrows usually point to the organisms that are doing the eating.
Explanation:
For that reason, we can say that the arrows represent the flow or transfer of energy in an ecosystem. It also specifies the direction of the flow of energy.
A and D seem like the best answers
Through analysis of ice cores, scientists learn about glacial-interglacial cycles, changing atmospheric carbon dioxide levels, and climate stability over the last 10,000 years. Many ice cores have been drilled in Antarctica.
