<em>The correct option is B) Also, big companies clear two million acres of American land each year to make room for homes and businesses.</em>
Explanation:
The clearing of natural lands causes a wide threat to the natural world. Many species lose their habitat as a result of clearing land. Some of these species might not be able to survive on other lands and hence come to the verge of extinction. Many species in the past have become endangered due to human activities such as cutting down of forests or removing lands for grazing of animals. Hence, the correct option is B.
