Answer:
Non-N-fixing plants usually benefit from reduced competition in mixed stands compared to pure stands and attain higher biomass and N content per plant
Explanation:
A is a possible answer as it refers to an increase of temperature; this is what global warming is (the raise of earth’s temperature)
A lot of people did. Including me.
Answer:
Honey, we need to read the passage in order to help you answer the questions :)
Explanation:
The controlis the plant with just water. The independent variable is the plants. The dependaent is the amout of salt in the water.
The indepedent is the trees. The dependent is the greenhouse or no greenhouse.