Which of the following is a compound? ne n2 naci o2

NaCl

Has to two elements together making it a compound boom

NaCi would be it

Hope this helps

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle