Gas is the correct answer
The answer should be reptiles!
The characteristics of reptiles are:
1. They are four-legged
2. They have an outer covering of scales
3. They breathe with the aid of lungs
4. Although most reptiles lay eggs, some also give birth to live young (fertilise internally)!
I hope this helps! :)
Answer:
C) The allele R' is becoming more common in the population.
Answer:
bacteria
Explanation:
Thats just an assumption. I may be wrong but I think its bacteria.
