Factors Affecting Population Growth 69Notes D. The logistic growth equation is a mathematical representation of Malthus'idea of population growth and environmental resistance.E. Concept of Chapman (1931)1.
The Earth's oceans contain a large amount of CO2 in the form of bicarbonate and carbonate ions â much more than the amount in the atmosphere. The bicarbonate is produced in reactions between rock, water, and carbon dioxide.
Origin of vegetable charcoal: Carbon is the most abundant element on earth, and is also an important element of the human body. It occurs in impure form in petroleum, charcoal and various sediments.