Because you might have just done something different with the experiment and messed up someway during the test
HIV tests are used to detect the presence of the human immunodeficiency virus
(HIV) the virus that causes acquired immunodeficiency syndrome (AIDS) in serum, saliva , or urine such tests may antibodies, antigens, or RNA .
They are found in the body
The accurate answer is
True. <span>Most radially symmetric animals are aquatic.
An aquatic animal lives in water
They breath the same oxygen as we do
For example a whale is an aquatic
Glad to help :)
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A) Net movement in osmosis is from areas of higher water concentration to areas of lower water concentration. Net movement in diffusion occurs from areas of higher solute concentration to areas of lower solute concentration.
This happens so that both solution have roughly the same concentration
