The Lambda-CDM model contains a cosmological constant, denoted by a lambda (λ) which is associated with dark energy and .

a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.

double the distance = divide strength by 4

because growing process had stoped after 4-5 year