Answer:
the student is incorrect.
Explanation:
a chemical reaction is defined as: changes in one or more substances caused by a reaction, that <u>form new and different substances.</u> Smoke coming out of a car would not really be classified as turning into a new substance, the smoke is still smoke.
Thatd be through the action of nitrogen fixing bacteria like rhizobium
A lake is so deep that light cannot reach all the way to the bottom, so the photosynthesis occurs in the top layers. A pond can have rooted plants, because light reaches down to the very bottom.
Because havee a especial character who acn do thant