I guess the answer is most likely b) they are rare.
solar eclipses can occur fairly often, sometimes 2-4 times a year
Answer:
but i think its the amount of water
Explanation:
sorry if im wrong
Answer: it is working out by doing exercises that quickly accelerate your heart rate
Explanation:
A good example is running on a treadmill or jump and jacks
Answer:
how can I help u with.
I can't see any pictures
u post a question picture.
I can answer u
They are similar in three main ways
1.Both DNA and proteins are polymers.
2. Both are made from smaller subunits joined together. DNA is made of subunits called nucleotides joined together and protein is made up subunits called amino acids joined together.
3. In both of them, these subunits or monomers are linked together by covalent bonds.
Nucleotides are a combination of a nitrogen - rich base that is either adenine, guanine, cytosine or thymine, together with a phosphate group and a sugar.