<span>A progressive tax means that as you earn more, you get taxed at a higher rate.
The alternative is a regressive tax, which means you get taxed more if you have less.
There are different brackets of income for a federal tax calculation. People who made $1,000,000 pay more taxes as a percentage of their income than people who made only $50,000, for exaple.</span>
Answer:
A
Explanation:
Primary productivity, in ecology, the rate at which energy is converted to organic substances by photosynthetic producers.
Then the mice would not be infected as the DNA is destroyed by the enzyme ....so S type have no use and can't transfer it's DNA ....so mice survive !