The surface area of a sphere can be approximated as follows: Surface area = 4πr2; where r is the radius of the sphere; π is a constant that is roughly equal to 3.
The study of human interaction with the natural world over time is environmental history, emphasizing the active role that nature plays in influencing human affairs and vice versa. ... The first, nature itself and its change over time, includes human physical impact on the land, water, atmosphere, and biosphere of the Earth.
It is either blending inheritance or merging inheritance. They both mix the parents' genes to produce conditions for their future offspring.
Most of the infrared radiation to the Earth is absorbed and transmitted towards the Earth's surface.
