HELP Which U. S Coast Guard approved equipment is required for all vessels?

A. Skier down flags
B. personal flotation devices
C. Flashlight with a white light
D. Emergency portal

Below is a description of a resource that you're considering using for a research paper. as you read the description, keep in mind what you've learned about historical thinking skills and use those skills in evaluating whether or not to use the source.

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation.b. potential benefits justify the risks of harm.c. the study makes a significant contribution to generalizable knowledge.d. risks are managed so that they are no > minimal.

Why did the athenians choose officials by lottery? would there be drawbacks to this method? explain.