We have shelter and food.
They lack colors such as blue and red. any primary color.
The answer is the first one
Answer:
us humans need a balanced ecosystem because its what keeps us alive. when having a balanced ecosystem we have cleaned water, purified air, maintained soil, regulates our climate, recycles nutrients, and provides us with food.
Answer:
The answer is D.
Explanation:
Colour blindness is affected by the genes in our DNA not X chromosome.
(Correct me if I am wrong)