Legal contracts provide incentives for people to exchange goods and services by allowing fair trade and consequences to come into effect if one party doesn't meet the legality of the contract. Both parties of the exchange are given guidelines to follow as well as the rewards and ramifications of certain actions.
I hope this helps!
The correct answer is the third one
Answer: As predators, sharks play a crucial role in helping to maintain a delicately balanced ecosystem that keeps our oceans healthy. Their feeding helps to regulate prey population numbers, but also prey distribution as they select a habitat to avoid being eaten. Proving that sharks are a beneficial organism in ecosystems to keep them balanced and equal throughout time.
Explanation: Have a terrific day! Thanks are always appreciated <33
b is the correct answer because decimate means to detroy, kill, or remove a large percent or part of.