Answer:
About 5billion years ago is the correct option.
Explanation:
Hope this will help you :)
<span>Photoplankton is one of the producers that can be found in the polar regions.</span>
Answer:
osmosis is the movement of a solvent across a membrane, so water
Answer:
Step 1: A tree absorbs the carbon from the atmosphere into its leaves for photosynthesis.
Step 2: A caterpillar gets the carbon by eating the tree's leaves.
Step 3: A bird gets the carbon by eating the caterpillar.
Step 4: The bird flies into a building and dies instantly. It falls to the ground.
Step 5: The bird decomposes and the carbon returns to the atmosphere.
the correct answer is up and down
