In what two ways can the impulse exerted on something be increased? Increase the average force or increase the contact time
Increase the initial force or increase the mass of the object
Increase the velocity or change the diretion
Increase the acceleration and the contact time

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

you can have just about every answer you can think of

a chain link fence because there so tiny even my albino donkey can't get out

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.