Answer:
I think it's A
Explanation:
Since C and D don't have to do with a power outage
B won't help either
6. A because carbs provide 50% energy and lipids 20% (rest from protein)
7. A e.g. Muscle cell for movement and blood cell for oxygen transport
8. C
Proteins contain Nitrogen aswell as carbon, hydrogen, oxygen and sometimes sulphur
The prey is usually alone and the predator usually sneaks up on the prey to catch it. Like a polar bear and a seal, seals tend to hide under the ice sometimes and polar bears would try to pound through the ice just to get to the seal. So the predator is the one that wants to eat the seal which is the polar bear.
