What is the oxidation number for n in the compound nh3? (recall that h usually has an oxidation number of +1.)

How do you lengthen a pattern piece? (family and consumer science, sewing)

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver