Answer:
what's the question i don't understand
Answer:
what is the average length of a cobra?
Explanation:
biology is the study of life.
The nucleus controls everything in a cell
Answer:
i
Explanation:
long chains of repeating subunits, called nucleotides
A nucleotide is the basic building block of nucleic acids
Answer:
Nitrogen
Explanation:
It can change in the Atmosphere or on land:)!