Topsoil is the most fertile soil layer for plants.
Answer:
When light energy is absorbed by a chlorophyll molecule its electrons gain energy and move to higher energy levels in the molecule
Answer & Explanation:
A number of factors, such as stress, deprivation of input, adrenal and gonadal hormones, neurotransmitters, growth factors, certain drugs, environmental stimulation, learning, and aging change neuronal structures, and functions, in other words induce neuroplasticity (Fuchs & Flugge, 2014), resulting in alterations in
Blastula --> early embryo with spherical shape if cells before gastrulation into germ layers
