<span>Here are the choices for the question stated above:
a.deserts b.grasslands c.mountains d.rainforests
The answer would be letter d. rainforests.
</span><span>Basing on the animals' webbed foot, it should mean that these animals are good swimmers. Thus, webbed foot enables effective propulsion in water.</span>
The answer is c. is a 65 year old excutive who is very overwight.
Cenozoic Era: Deinotherium
Mesozoic Era: Ichthyosaur
Paleozoic Era: Trilobites
Precambrian Era: Ediacarans
..............4 is D and 6 is A