The growing of plants, burning of wood, and decomposition of living matter demonstrate how carbon can be in the at the same time.

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?