"The vapor pressure<span> of water is relatively </span>low<span> because it is held together through hydrogen bonds. This means that the molecules in a glass of water do not evaporate from the water very easily, as the molecules are attracted to each other."</span>
Answer: 1×10^11
Explanation:
<u>concept to know:</u> scientific notation must be written in the form of a × 10^b
where 0<a<10.
100 billion= 100,000,000,000
there are 11 zeros after 1
1 × 10^11
Hope this helps!! :)
I Would think it would be C Since Humans can't live 500 years but then yet again it is light years not regular years i think if you find how man years is 500 light years the that could help you in finding the answer
MH₂ = 2×mH = 2×1g = 2 g/mol