Answer:
Sponges are a very much important to this biological world. They are very much important in nutrient cycles in the coral reef systems and highly help in supporting the marine food web. Economically they are treated as protective habitats for animals like crustaceans, molluscs, small fishes, etc.
A: Cotton :) your welcome
The answer you want is here: (It was answered before)
https://brainly.in/question/2396976
<span>it can form four covalent bonds it forms very strong bonds</span>
Answer:
I think the answer is A. interval between x and y delta notation-change in y over change in x C.
Explanation:
I hope this helps! Correct me if I am wrong.