Answer: Gravitational force
A population of deer is defined by the geographical area it inhabits. This would be the most likely answer.
When we're talking about different species we're often talking about them in terms of their geographical origins and where these deer can be found.
It would be primary since the writer himself is getting the information from a direct source.
The answer is b because the global warming only gets caused by the decrease of in consumer spending .
Answer:
A
Explanation:
Less pollution means less greenhouse gasses being emitted.
