Many people in South America are subsistence farmers. Subsistence farming is... A
growing only enough crops for food to fed the family.

B
focusing on growing cash crops to sell to make money.

C
growing only one type of crop.

D
growing crops in higher elevations.

growing only enough crops for food to fed the family

Explanation:

subsistence farming is the practice of growing crops only for own use .. some developing countries are only doing farming for their personal use so they are in the stage of developing ..in a country like nepal we not being able to trade our farming .if we want to export then also we arenot getting the good market ..

20 drops hope this

c, liquids evaporate, creating a gas