Answer:
OB. Run-off from fertilized land increases nitrogen levels in ecosystems and encourages algal growth. is the correct answer.
Explanation:
because This in turn is leading to global warming and weather changes.
Answer:
Cellular respiration involves many reactions in which electrons are passed from one molecule to another. Reactions involving electron transfers are known as oxidation-reduction reactions (or redox reactions).
When it freezes ..................
at sea level in arterial blood it is between 35 mmHg and 45 mmHg. at sea level in venous blood it is between 40 mmHg and 50 mmHg
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