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
Answer:
Rocks or lava
Explanation:
In 1° succession there is no soil.. And the process of soil formation take very long time.
In 1° succession rocks or lava is present and lichens, soil erosion, wheathring of rocks helps in soil formation.
