All of the energy that drives earths rock cycle comes from what

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?