Controlled population growth.
Explanation:
US is a highly developed country and it has expansive infrastructure and highly mechanized agricultural equipments. So first option is not a choice. Second, access to chemical fertilizers and pesticides in a country with such advanced agriculture infrastructure is very easy. Third US is well known for using GM crops.
US does not have a controlled population growth because if not the birth rate then migration of people to US is a major concern for that country. Thus, this will be a correct choice for the given question.
Answer:
a) The mucosa is composed of thick, nonkeratinized stratified squamous epithelium.
d) The two layers of muscle in the superior one-third of the muscularis are skeletal
(B and E are repetition of A and D respecticely)
Answer:
Organism's habitat (where a species live) can be described as all of the biotic and abiotic factors in the area where an organism lives.
Ecological niche (how species live) is composed of all of the physical, chemical, and biological factors that a species needs to survive, stay healthy, and reproduce. Niche includes food, abiotic conditions, and behavior.
