<h3>
Answer:</h3>
[C] Velocity.
<h3>
Explanation:</h3>
<u>As we know that</u>,
<u>where, a = acceleration, v = final velocity, u = initial velocity and t = time taken to travel</u>.
This process shows alpha decay so X represents an alpha particle. The characteristic of alpha decay is that the mass number stays constant while the proton number increases.
Birth Rate would be the rate that indicates the number of children that would be born per woman if she were to live to the end of her child bearing days.
1. <span>At current rates of use, known supplies of oil and natural gas may run out in less than 100 years.
2. The country is
United States
3. These are examples of
non-renewable resources
4. These resources are called
fossil fuels
5. To supply energy needs in the future,
</span><span>renewable energy sources are being developed. </span><span />