The answer to question 1 is A.
The answer to question 2 is C.
Answer:
1.73 i think it will be answer
Answer:
D: Nonpolar covalent bonds involve two atoms that have equal electonegativity whereas polar covalent bonds involve two atoms that are unequal in their electronegativity.
Explanation:
Answer:
The genome of an organism is inscribed in DNA, or in some viruses RNA. The portion of the genome that codes for a protein or an RNA is referred to as a gene. Those genes that code for proteins are composed of tri-nucleotide units called codons, each coding for a single amino acid.
Explanation:
Answer:
Amphibians
Explanation:
They had just shown up during the Carboniferous period and were still living in the water.