Question

Read the above attachment and answer :
(A) Both assertion and reason are true and reason is the correct explanation of assertion
(B) Both assertion and reason are true but reason is not the correct explanation of assertion
(C) Assertion is true but reason is false
(D) Assertion is false but reason is true
Class 9th
Ch - Tissues​

Answer 1

Answer:

both assertion and reasons are correct and reason correctly explain assertion

Explanation:

muscle cell contract and relax due to contractile protein made up of actin and myocin. which cause movement