Showing posts from July, 2020
A number of factors account for the variation in ecosystem productivity. The major factors which work in combination rather than in isolation are differences in the supply of nutrients, climatic factor ( sunlight, temperat…
Defination This is the movement of magma from the mantle into the earth's crust and onto the earth's surface. That is, the process by which solid and gaseous material (magma) from them the mantle is injected into t…