Structural element of all living things. found in the atmosphere as carbon dioxide. Plants convert it into molecules during photosynthesis and consumer absorb it as sugar. Living things breathe it back into the atmosphere, as CO2 .

What is the name of the chemical element that is recycled into ecosystem as described up there?

Adoctor is trying to diagnose a patient with dry skin. which of the following resources would be the most ? a magazine ad about soft skin a growth chart online articles about dry skin medical books

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

The united states uses which source of energy to produce almost 40 percent of its electricity