dependence on non renewable sources
they use the waves that are formed to see and learn about the different layers there are in Earth's crust
Human activity can affect the river ecosystems because first of all humans take the water and use it for themselves, they also pollute it, disturb the ecosystems and kill fish or oysters etc. in the ecosystems.
Plants use Photosynthesis for food and nutrients and produce oxygen in the progress
Answer:
A is the answer
Explanation:
Carbon dioxide and water are the reactants of both processes
