Reproductive system and it's functions
Answer:
I could be wrong but I believe it is,
"rocks," and "dark matter"
I believe there has to be enough activation energy for a reaction to occur in the first place, if that is what you are referencing
Answer:
B
Explanation:
Nucleobases, also known as nitrogenous bases or often simply bases, are nitrogen-containing biological compounds that form nucleosides, which in turn are components of nucleotides, with all of these monomers constituting the basic building blocks of nucleic acids.
