Answer:
A
Explanation:
Immigrants stay in the US permanently. Emigrant leave there country permanently
Answer:
The answer is b. understanding is based mainly on basic sensory and motor abilities.
Explanation:
During the sensorimotor period, children's understanding is based mainly on basic sensory and motor abilities.
Answer:
Katherine's opportunity cost is the cost of getting to the lecture event itself plus the reduction in her physics exam grade by not studying tonight. True
Explanation:
Opportunity cost is the cost of foregoing a benefit or incurring loss due to opting an alternative which is next beneficial . Here Katherine is losing in terms of grades in her exam to take the benefit of listening to the lecture , So loss to her grade is the opportunity cost of attending to the lecture and getting benefited.
Answer:
Commensalism is a symbiotic relationship in which one species benefits while the other is not affected. Parasitism is a symbiotic relationship in which the parasitic species benefits while the host species is harmed.
