7.
the blood component responsible for clothing is
(a) lymphocyte (b) erythrocyte (c) thrombocytes (d) leucocytes

C. Thrombocytes

Explanation:

Thrombocytes are also known as platelets. When you get a cut and a blood vessel gets injured, the thrombocytes are triggered by the bleeding. So what they do is that they clump up together forming some sort of a plug on the damaged area to stop the bleeding. The name thrombocytes actually came from a Greek word which literally means "clot".

the answer is false?

b. lithosphere, asthenosphere, mesosphere   is the answer most likely