Question

(a) Assertion and reason both are correct statements and reason is correct explanation for
assertion.
(b) Assertion and reason both are correct statements but reason is not correct explanation for
assertion.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
9. Assertion (A): Biogas is a boon to the farmers
Reason(R) :Splent slurry is used as manure and can be used to generate electricity
10.Assertion (A):Wind energy is an environment friendly and efficient of energy
Reason(R) : Wind energy farms can be established everywhere
11 .Assertion (A): The organ by which the embryo is attached to the wall of the uterus is called placenta.
Reason(R) : Placenta act as a filter organ does not allow unwanted material and germs pass through.
12. Assertion (A) :A mineral is called ore, when metal is extracted from it significantly and economically.
Reason(R) : All ores are minerals but all minerals are not ores.

Answer 1

Answer:

im

Explanation:

im not know the answer