Answer:
Focus
Explanation:
to specialize in a subject is to focus and study it.
Answer: c. global warming is having impacts on weather patterns across the planet
Based on the choices above, it is the choice on letter c that contains an explanation. The statement explains the scope of the effects of the global warming that happened across the planet.
<span>Long after the world to which it belonged has vanished, a habit of thought will live on, indelibly imprinted upon a race or nation, like the footprint of some extinct beast or bird upon a piece of stone.
The word indelibly refers to the anything that is impossible to remove or forget. It is the mark that cannot be erased.</span>