Answer:
<em>The correct option is D) too few workers to support an aging population</em>
Explanation:
A positive population growth can be referred to as a situation when the population of a country is rising.
A negative growth population is referred to as a situation when the population of a country is becoming lesser. As a result of this negative population growth trend, there will be fewer workers to support the aged people. Also, there will be lesser people working for the economy of the country.
I just took the review the correct answer is D, I, II, III, and IV
I believe it’s the first option
They are heterotrophic- not photosynthetic because they cannot perform photosynthesis