Answer:
R r
R RR Rr
r Rr rr
Explanation:
1:2:1 is the genotypic ratio
(A) A large amount of nitrates in the water :)
mechanical weathering
Mechanical weathering is the process of breaking big rocks into little ones. This process usually happens near the surface of the planet. Temperature also affects the land. The cool nights and hot days always cause things to expand and contract. That movement can cause rocks to crack and break apart.Mechanical weathering involves mechanical processes that break up a rock: for example, ice freezing and expanding in cracks in the rock.
