D. It’s a composite because it’s a mixture of cement, sand, and other granular pieces.
Answer:
(a) V = 36 v
(b) V = 18v
Explanation:
Check the attached file for the explanation
Answer:
C - the atom is all about the proton number.
An isotope of an atom is the same element with a different number of neutrons.
Explanation:
ANSWER
My answer is in the photo above