In one year, 35 giraffes are born to a population. what is this number? growth rate emigration immigration birth rate
never mind! it's birth rate

Birth rate

The birth rate is the rate at which new members of a population are born in a year to a given fixed, current population, which is exactly what this question states. The growth rate would ultimately be expressed in terms of a percentage, with the number of births over the total starting population, multiplied by 100 to get a percentage,

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on