The answer to this problem is 11 because I did the inverse the inverse of subtraction is addition so I added 7+4 that gave me 11 than I subtracted 11-7 that gave me 4 so x=11
Answer:
d. II and III only
Explanation:
These are two of the benefits that humans derive from water bodies. The gradual removal of water pollutants by wetlands allows humans to enjoy a more purified water. Moreover, the growth of fish, crustaceans and other food sources allows us to obtain nourishment from the animals that we find in the ocean. However, the development of algal blooms in lakes does not bring any benefit to humans.
The answer would be D<span>.Tropical cyclones</span>