Process. Permineralization is a type of fossilization involving deposits of minerals within the cells of organisms. Water from the ground, lakes, or oceans seeps into the pores of organic tissue and forms a crystal cast with deposited minerals. Crystals begin to form in the porous cell walls.
B) observation of healthy individuals
The green house effects occurs when gas molecules absorb long wave infrared radiations. The green house effect is the process in which the radiations from the earth atmosphere warms the earth surface to a temperature which is above the temperature that will be experienced if the atmosphere does not exist. <span />