Abrasions by wind and running water are examples of – A- chemical weathering.
B-chipping.
C- ice wedging.
D- mechanical weathering.

it will increase due to the time span

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.

i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"