They mostly had resources , and locations in common.
Answer: c. Over the span of 10 to 1,000 years, groundwater behaves as a renewable resource.
Explanation:
Doldrums are caused by solar radiation from the sun. Because of this the sunlight beams warms the air and causes it to rise straight up instead of side to side (horizontally).
Answer: The Earth is a closed system for matter
That is a list of all basic elemental materials on our planet. Because of gravity, matter (comprising all solids, liquids and gases) does not leave the system.
Answer:
Solifluction
Explanation:
Solifluction involves the movement of soil particles or other materials which has been exposed to water down a slope. This process is common in areas with water bodies and a steep slope.
A major method by which material gets delivered to the Colorado River in the Grand Canyon is through the solifluction process as a result of the presence of water and steep slope.