Answer:
no idea here for the points
Explanation:
A is correct. Holidays is the correct word, in which you just add -s. Hope this helps!
C from the randomness of self determination
Most of the competition that occurs in our ecosystem is basically just for survival. Breaking down into food supply, shelter, mate, etc. For frogs and birds, the thing that they are competing is the food supply. Given that they could live very near to each other, they will be competing for insects or other smaller animals.
