A motor applies a 5000-N force and raises an elevator 10 stories. If each story is 4 m tall, how
much work does the motor do?

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots