“George Washington Carver was always interested in plants. When he was a child, he was known as the "plant doctor." He had a secret garden where he grew all kinds of plants. People would ask him for advice when they had sick plants. ... (Nutrients provide nourishment to plants.)”
Answer:
Class; and there are three classes at the time
- Upper class.
- Middle class.
- Lower class.
I think c may be the closest answer
The city had more job opportunities in factories
The advantages of immigration from Mexico is less drugs (mexico is known to give out them) and also more jobs for U.S.citizens. The disadvantages is there maybe war because Mexico might think the U.S is discriminating them.