6)active immunity occurs when the person is exposed to a live pathogen and passive immunity<span> can occur naturally.

7) you can buy bacteria killing soap and keep your house bacteria free. wipe down everything that hands touch everyday.

hope this </span>helps. :)

6 0

3 years ago

You are designing an experiment to determine whether plants grow faster with or without water. Which should be varied in order t

Dafna1 [17]

C. Because I just took the the test

4 0

3 years ago

An ecologist notes an increase in algae growth in a river adjacent to a farm that uses fertilizers. what can she infer from this

qwelly [4]

<span>One can infer from this situation the following things: first, the fertilizers used in the farm eventually get to the adjacent river. Second, these fertilizers may be providing some benefitial conditions to the algae, allowing it to grow exponentially and strongly.</span>

8 0

3 years ago