What makes petroleum a nonrenewable resource? O A. When burned, it adds pollutants to the air.
O B. It takes millions of years to form.
O c. It can be replenished within a person's lifetime.
D. When burned, it contributes to global warming.

Are produced in the light reactions and used in the calvin cycle. a)nadh and atp b)electrons and sugar c)nadt+ and adp d)sugar molecules

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

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.