<span>Covering your ideas in a logical, step-by-step manner that the reader can follow.</span>
1) Webbed feet are useful to ducks because they use their feet to swim. Their webbed feet are uniquely designed to help them move through the water. ... Ducks use their webbed feet like paddles to provide more surface to push against the water.
2) Shells are useful to snails because snails and clams are calcium carbonate while the endoskeleton of vertebrates like turtles are primarily calcium phosphate is not known. Both shells are strong, allow for protection, attachment of muscles and resist dissolution in water.
3) Long arms are useful to gibbons because It allows them to reach average speeds of about 35 miles per hour and propel themselves from one tree to another over distances of up to 50 feet.
4) D
The sentence is generally saying that the specific area of land gives you shelter from a storm, which is basically safety. The word 'encloses' itself emanates safety, because basically, 'encloses' means to close over, or to surround. If you don't find that trapping, it would seem more safe than anything else, along with what the sentence itself is trying to say.
As for #5, I can't seem to view the full choices for the question. Could you maybe add another attachment, or list the other two choices there are?
