Their bodies taper to points at both the snout and the tail, reducing water resistance. Also decreasing drag -- and therefore noise -- are dermal denticles, sharp scales that cover the skin of most shark species. Rather than bone, sharks have cartilage, which is much lighter and more flexible. In addition, their livers produce squalene, a fatty oil that helps them remain afloat. Their pectoral fins allow them to quickly change direction, dive and swim upward.
http://animals.mom.me/unique-adaptations-sharks-survive-7845.html
B because theyre in order of the number of protons
a.
In soil erosion, the soil is carried away from by the wind or water from the top layer of the ground. Soil formation is making soil. It can be by the deposition of the soil from water or wind
It can be replicated by other experimenters and yield the same results shows the quality of a successful scientific experiment.
<h3>What is Scientific Experiment?</h3>
A scientific experiment refers procedure that is carried out in a building inorder to support or against an hypothesis or to determine whether the existence of something that has not been tried or it's efficacy.
This give insight about cause or effect of something by manipulating one of the factors.
Therefore, It can be replicated by other experimenters and yield the same results shows the quality of a successful scientific experiment.
Learn more about scientific method fro the link below.
brainly.com/question/8691391
Coastal waters have about 26% of all biological diversity. This world of seabirds, clams, crabs, starfish, anemones, fish, kelp, and marine mammals, among many others, is a beautiful place with many different types of plants and animal communities.
