D
Freshwater;
- It constitutes approximately 30% of Earth's freshwater.
- It is the only viable source of freshwater in some areas.
- It is available in conditions of drought.
Explanation:
Groundwater is water that is located under the surface of the earth in the rocks of the crust usually filled by the percolation of water from precipitation. During drought, when all surface waters have dried up, wells can be dug to access groundwater in aquifers. This groundwater is also important in regions where surface waters have been contaminated such as by industrial waste. However, it is important that this water is not overdrawn. The rate at which it is drawn should match the rate at which the waters are refilled by percolating water into the ground.
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Answer:
mineral -
This is any element or inorganic compound. It is a naturally occuring solid chemical compound found in pure form. It is commonly found within rocks.
metal -
an element known for is lustrous, opaque, and malleable properties. Metals are good conductor of heat and electricity.
ore -
This is a natural rock from which minerals, elements or metals can be extracted through mining.
alloy -
An alloy is a group of metals or metals that have one or more other elements. Take for example, red gold is a combination of gold and copper while white gold is a combination of silver and gold.
When the circular muscles contract, the earthworm stretches, becoming longer and thinner. The earthworm uses its setae to anchor the front of its body in the soil. Now the longitudinal muscles contract and the earthworm becomes shorter and wider or it bends from one side to the other, pulling the body forward.
Answer:
They need simple things like carbon dioxide and water and can make complex things like sugar, starch, fat, and proteins.
Someone with Dd would be considered heterozygous for the "d" trait. Hope this helps you!
