An acid; because anything below the number 7 i considered acid while numbers above 7 is base
Heartwood. In contrast to sapwood, a term for the dead, clogged xylem cells near the center of a tree. Heartwood is the tree's main column of support.
No, producers produce their own food like plants that use photosynthesis to produce sugar whilst aphids cannot produce their own food and have to feed of other plants.
Answer:
They are released into a river, lake, or ocean.
Explanation:
Answer:they convert light energy! they play a big part in photosynthesis
Explanation: