the region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division.
Brainliest Please :)
Answer:
B: Population
Explanation:
Population is the number of people (well species) living in the same area at the same time.
The salt evaporates in the air thus when it hits the ground
Answer:
The answer is A. Human activities have a greater impact on terrestrial and freshwater ecosystems.
Explanation:

Last option: Preserve an ecosystem

• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.