Answer:
A
Explanation:
you need to make a punnent squere
L L
l Ll Ll
l Ll Ll
Answer:
Option A
Explanation:
Silicon (Obtained from Sand (SiO2)) is the element that is primarily used in appliances to make electronic chips.
Answer:
c. Atoms of two or more elements bond together
Explanation:
a chemical reactions forms products ( new substances); where it rearranges themselves to form new bonds.
Answer:
Today, the average total production cost of “standard modulus” carbon fiber is in the range of $7-9 per pound.
