Question

15. Give reason some shells are in the shape of component.
16. Which gas is atmosphere produce green house effect?​

Answer 1

Explanation:

15. A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal that lives in the sea. The shell is part of the body of the animal. Empty seashells are often found washed up on beaches by beachcombers. The shells are empty because the animal has died and the soft parts have been eaten by another animal or have decomposed.

16. Carbon dioxide

Answer 2

Answer:

you can note this

Explanation:

15)it have many compound of shells:

=in the 1st it have a nucleus

=in 1st shell it have 2 atom