The difference between subsistence and commercial agriculture is that commercial agriculture involves growing plants and crops and selling profit. It is a commercial farming. Also, subsistence is the farmers raising food to those in need for community.
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Answer:
B. Look around, since even a changed ecosystem is still an ecosystem.
Explanation:
Ecosystem refers to the interaction or relationship that exist between living organisms and its surrounding environment. This environment provides habitat, food and other needs to the organisms. If the people in the Midwest determine what kind of natural ecosystem they are in, they have to look around the environment they are living. This environment includes all the plants and animals that survive the change which occurs due to humans intervention.
It is a state with very little population and/or small land area
Well to find this out you need to make an equation
s+7=j
So for example if Johnny's sister is 15 then Johnny would be 22 because
s(sister's age) +7(number of years difference between their ages)=22(Johnny's age)
