Horses went extinct in north america and did not return until they were ferried in boats by european settlers (no land mammal can swim on its own across an ocean). from a horse's perspective, the ocean barrier is best described as what?

probably infinate because from a humans perspective, if you look from a beach, the ocean looks infinate

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this