Signals from the make skeletal muscles move. A. Nervous system B. Digestive system C. Respiratory system D. Muscular system​

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

What is the mass of phosphorous in a 51-kg person

The ammonia molecule in the diagram has the observed bond orientation because