HUMAN CAUSES
human population increasing
Destruction of Habitat
Pollution of any sort
<span>global Warming
NATURAL CAUSES
</span><span>climatic cooling and heating
</span><span>changes in sea levels </span>
Answer:
D. New allergens that people are not aware of may be introduced.
Explanation:
While increasing mineral contents or vitamins, people might have a strong allergy to a certain type of ingredient that the scientists added in to the food.
Answer:
this reaction is cellular respiration, the carbon dioxide is part of the products
Explanation:
