<span>The minerals that make up </span>rocks<span> have defined chemical </span>compositions<span> and rigid atomic structures. When sunlight strikes the </span>rock's<span> surface, the </span>composition<span> and atomic structure of the different minerals control the wavelengths they absorb or reflect.</span>
Answer:
underdeveloped
Explanation:
DRC continues to rank among the poorest countries (178 out of 187 countries ranked), with one of the highest rates of extreme poverty in the world.
Answer:
G
Explanation:
Burning non-renewable resources to generate electric power is extremely bad for the environment. This has been done in the past and continues at an even greater rate since the Industrial Revolution.
Although the Green Revolution is slowly replacing coal and petroleum with renewable resources, the large scale extraction and consumption of petroleum products has no historical precedent and the resources cannot be replaced.
Irrigation machinery has <u>quadrupled </u>the amount of irrigated land in the US.
Irrigation refers to the act of artificially providing water to land to support the development of crops. It is an antiquated agrarian system and may have been honed as ahead of schedule as 5000 B.C. along the banks of such consistently flooding streams as the Nile. Channels were burrowed to broaden the region secured by the surge, and dams were raised to trap water on the land after the floodwaters had died down. The advancement of preoccupation dams and of water-lifting machines allowed the water system of terrains lying over those typically come to by floodwaters. Remainders of these antiquated structures have been found in Egypt, where all farmlands are flooded; Iraq; Lebanon; Syria; China; India; Peru; Mexico; and the United States. Present day water system frameworks are as yet in view of these two key building developments.
Ocean and freshwater dumping causes mammals and other species that live very close or in the body of water, to die