Answer:
A.
Explanation:
All other options are simply situational, while cold periods are usually seasonal.
A river carrying dirt into a lake
A string of nucleotides that hold information is called a gene. :)
Answer:D this part of Arizonan use to be much wetter
I took the test and got it right
I think it's option four because as far as I know, red/green color blindness is an example of a recessive, sex-linked trait (encoded on the X chromosome), which results in much more men to suffer from it than women.
Hope that helps!