help me in science please, thank u
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help me in science please, thank u
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Answer:
The cardiovascular system can be thought of as the transport system of the body. This system has three main components: the heart, the blood vessel and the blood itself. The heart is the system's pump and the blood vessels are like the delivery routes.
Explanation:
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Answer:
Contaminants:
bleach
salts
pesticides
metals
human or animal drugs
Source:
bleach is made by mixing chlorine and caustic soda (sodium hydroxide), in a kind of reversal of the chlor-alkali process
salt is from the sea water
Pesticides are from general pollution (im not sure)
Metals are source from soil and rock
Health effects:
throat irritation, sneezing, and coughing. Chronic exposures to lower concentrations of fungicides can cause adverse health effects.
Explanation:
I am not sure of some but hope this helps