The change in position from beginning to end and the direction taken is referred to as displacement.
<h3>What is Distance?</h3>
This used to measure how far or close objects are in relation to one another.
Displacement on the other hand has the direction being taken into consideration which is the major difference.
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Its A because dolphins like to fallow boats not to be scared
Bird skeletons are very delicate, and therefore, difficult to be preserved. The bones of the birds are soft. The small animals are very prone to physicochemical as well as biological decay. This is why the fossil record of bird is incomplete and well-preserved fossils of birds are rare to find, except at a few unusual sites.
Answer: <em>C.) Cnidarians</em>