The answer you are looking for is organic!
Have a great day!
Answer:
a and b
Explanation:
This may not be right, but from what i remember it should be when the moon is aligned with the sun then the tide is highest
C. recycling
the rest are destroying the earth
New disease that affects the younger of a population, shortage of availability of food, new competitor for food, new predator of jaguars (though there arent many of those)