Summarize your understanding of the greenhouse effect in a paragraph. Include the following points in
your discussion.
The cause
EM radiation (light)
Atmospheric gasses
Temperature changes
Historic temperature changes
Possible future impact

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

Match each symbol with its description.