This one can be tricky, because your are changing the appearance of the substance. But here, you aren't changing its chemical form, so its a physical change. Even though you can't bring the pencil to its original beginning, its still a physical change.
Answer: Physical change.
ATP is the higher energy form while ADP is the lower energy form .<span>When
the terminal (third) phosphate is cut loose, ATP becomes ADP, and the
stored energy is released for some biological process to utilize.Hope this helps!!</span>
Explanation:
in the circumstances in which the attempts do not contravene the ethical and judicial laws.
Answer:
4. Circular Chromosomes
Explanation:
We know that eukaryotic chromosomes consist of double-stranded DNA.
But prokaryotic chromosomes are actually circular, which is very different from eukaryotic.
A large asteroid or comet impacted the earth.