The thin and solid outermost layer of the earth above the mantle

Number the steps from when a stimulus is received to when the body reacts

The biome that includes evergreen trees is the forest biome.

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.