The question is already answered.
Hey there Abigaildonaimor,
A cyclist rode at an average speed of 10mph for 15 miles. How long was the ride?
Answer:
Time = Distance / Rate
= 15 miles / 10mph
= 1.5 hours
Hope this helps :D
<em>~Natasha♥</em>
An atomic number is <span>the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table or chart.</span>
Answer:
all elements have a different atomic number
Explanation:
Atomic number of element does not affect their reactions with others