The correct unit for momentum is kg-m/s
Answer:
i know a guy his number is 561-213-0708 her name is helen
Explanation:
This is true. Adult echinoderms all show radial symmetry. Other characteristics are<span> a </span>water-based vascular system,<span> external </span>tube feet<span> and a </span>calcareous<span> endoskeleton. E</span>chinoderms include sea stars<span>, </span>sea urchins<span>, </span>sand dollars<span>, </span>sea cucumbers and<span> </span>sea lilies.
I think it’s b. Because it limits outside exposure
