Water on the moon was discovered by
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Thermohaline circulation is mainly due to
The main source of organic matter in soil is
The main source of organic matter in soil is the plant and animal tissue that decompose at each level of breakdown.
By definition a clade is
A clade is a group of ancestral species and all its descendants. Hence it is a branch of one same species and so monophyletic.
Variation in human skin color is an example of
Hormone that helps regulate calcium balance
PTH - Parathyroid hormone which balances calcium levels if they are low.
The perimeter of an isosceles triangle is 32 cm and each of the equal sides is 5/6 times of the base. What is the area (in cm2 ) of the triangle ?
If a-1a=7,then a2+1a2=?