Answer:
c. tearing paper
d. cutting your hair
f. freezing water
Explanation:
- for C and D, you're physically doing it
- for freezing, the molecules are still water molecules and you can change it back to solid by melting.
Answer:
B
Explanation:
The other answers are talking about the environment while B is talking about transportation
A=wildlife habits
C=global warming
D=air pollution
The first physical barrier of the immune system is the skin. most pathogens are unable to pass through, unless thru a scratch or lesion.
Answer:
Plants take in carbon dioxide from the environment for photosynthesis. Because trees are large, they need a lot of energy, which likely results in a lot of carbon dioxide being removed from the air. If they’re chopped down, there will be fewer trees to remove the extra carbon dioxide from the air.
Explanation:
answer from Plato