Although it shouldn’t have happened, on a dive i fail to watch my spg and run out of air. if my buddy is close by, my best option is to another option is to if i’m in shallow water and the surface is closer than my buddy.

a ascend using my buddy's alternate air source / make a controlled emergency swimming ascent

b ascend using my buddy's alternate air source / make an buoyant emergency ascent

c make a normal ascent / ascend using my buddy's alternate air source

d make a controlled emergency swimming ascent / make a normal ascent

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.