Answer:
The correct answer is C: competition for resources
These are the regions of the earth that are occupied by living organisms.
Hope this helps you!!^_^
Summer means lots of out-of-doors time. Whether at beaches, barbeques, hanging out in the park or at the pool, most people catch more sun rays this season than other times of the year. In the process, some will get a suntan while others, unfortunately, will experience the painful redness, peeling and blistering that can occur with a bad sunburn.
Answer: 2 and 4
Because I got it right ;)