Answer:
b is the anwer
Explanation:
the option is the explanation
Answer:
The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs.
Answer:
physcial change
Explanation:
As it has visible changes on shape and size
109.5
tetrahedral shape:
number of electron pair = 4,
number of bonded pair = 4,
number of lone pair = 0.
It should be 3 feet... I did something like this one day in school but I’m trying to remember
