6) A black hole is a part of space that has such a strong gravitational pull that nothing can escape from inside the black hole.
7) A Quasar is a very large celestial object that gives off massive amounts of energy. There is a theory that Quasars contain gigantic black holes in them but it is still yet to be proven.
8) The energy of a Quasar ranges from 1 trillion to 25 trillion of our sun.
9) Stars get their light due to a nuclear reaction that happens inside the star.
Explanation:
The exchange of gases between the blood and tissue cells is internal respiration. Finally, the cells utilize the oxygen for their specific activities: this is called cellular metabolism, or cellular respiration. Together, these activities constitute respiration.
The correct answer is all of them:
<span>A.is only found in eukaryotes
B.is found in the nucleus of prokaryotes
C.controls the physical traits of an organism
D.determines the sequence of amino acids in proteins
E.can control certain organism behavior
F.is a long, single chain of paired nucleotides</span>
Answer:
we should not cut .we should crop .we should give water
