Answer:
Gravitropism is a tropism in which gravity is the stimulus
Explanation:
Answer:
tetraterpenoids
Explanation:
Carotenoids belong to the category of tetraterpenoids. They contain 40 carbon atoms, being built from four terpene units each containing 10 carbon atoms.
Answer: Coal is primarily used as fuel to generate electric power in the United States. In coal-fired power plants, bituminous coal, subbituminous coal, or lignite is burned. The heat produced by the combustion of the coal is used to convert water into high-pressure steam, which drives a turbine, which produces electricity.
Explanation:
