Gondwana<span> was an ancient supercontinent that broke up about 180 million years ago.</span>
Answer:
a. prevention, minimization, reusing, recycling, energy recovery, disposal
Explanation:
The waste hierarchy is a concept used in solid waste management, which consists of identifying the basic strategies and their respective importance for waste management. According to the hierarchy, waste prevention, or reduction, is at the top, so it is the most important factor. It is followed by reuse, recycling and, finally, recovery, the landfill being the last option suggested for the destination of solid waste.
Hydro=water therefore hydroelectric means to use water for power. WA & Oregon are closer to water than the great planes. the answer is yes.
This process is known as thermohaline circulation. In the Earth's polar regions ocean water gets very cold, forming sea ice. As a consequence the surrounding seawater gets saltier, because when sea ice forms, the salt is left behind. As the seawater gets saltier, its density increases, and it starts to sink.