<span>Option A. Aggregate demand is equal to the gross income that is related to the circular flow with the income and expenditure within a certain economy that has an origin and a destination. These are the aims and objectives so that the demand for production is created and the gross domestic product is generated, which is the total demand for domestic production, which is composed of all the given variables.</span>
I think it would be D. genetic variation
The population would all breed with each other making them all look the same so they look of them would have less variation
Answer:
C
Explanation:
Because when you get a vaccine the proteins and bacteria are working against each other so when the doctor says its normal to run a low fever thats why.