Answer:
C or the third answer choice
Explanation:
If algae excessively grows on the tops of the water, it can block sunlight. That will make the underwater plants die, and the animals that eat those underwater plants will slowly have less to eat if they can't adapt quickly enough. When the algae dies, it takes oxygen with it. If it take all of the oxygen in the water, that whole ecosystem could potentially die as well.
Answer:
I think you mean why do scientists share the results of experiments
D is the correct answer
Explanation:
They would inform other people so they can know about the scientist's experiment. From that, many people can learn and study based on what scientists have done in the experiments.
Hope this can help you :3
Active transport is moving without putting any energy forth
Answer:
correct option is A.
Succession is the process by which the structure of a particular community evolves over a specific period of time. There are two types of succession, primary and secondary succession. Primary succession is a type of succession that occurs in a place which is incapable of sustaining the growth of plants, that is, it usually occur on barren lands. All the options given above are examples of places for primary succession with the exception of option A.