The mining of oil shale requires LARGE AMOUNT OF WATER.
The processing of oil shale require large amount of water which is needed for the processing activities of oil shale. This is a big challenge to the mining of oil shale because most of oil shale deposits are found in semi arid regions where water is scarce.<span />
According to the opponent process theory cells that are stimulated by exposure to yellow; light are inhibited by exposure to blue light.
Answer:
Girls have two X chromosomes and boys have chromosomes (XY).
Explanation:
Girls have two X chromosomes (XX), and boys have one X and one Y chromosome (XY). Whether a baby will be a boy or a girl is determined at the time of conception.
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