An intrusion is the action of intruding or intruding. I hope I helped a little!! :-)
The answer is B, fossil fules
Answer:
1. D
2. B
Explanation:
1.They inject the virus when sucking out the blood.
2. Bear/Mouse because bears don't seek out and eat mice.
Answer:fossil fuels are nonrenewable and inexpensive while wave energy is renewable and does not emit greenhouse gases.
Explanation:
Because it contains hydrogen (H+) ions