I believe the answer is letter A
Answer:
Pollution from cars affects air quality.
Waste from a factory washes into a river.
A company clears a forest to acquire lumber.
Explanation:
In all of these scenarios, the environment is impacted by humans:
1. The pollution from cars that humans drive worsen air quality.
2. Waste from man-made factories run off into a river, therefore polluting it.
3. A human-made company cuts down trees, which results in habitat loss for animals, less oxygen production, etc.
Explanation:
This act was to allow all citizens, including slaves, to be able to put up a claim on 160 or less acres of land for free.
It encouraged western migration by providing settlers 160 acres of public land. In exchange homesteaders paid a small filing fee and were required to complete 5 years of continuous rescidence before ownership of new land
