Which tool to study space is the least expensive? a) satellite b) space probe c) ground-based telescope d) human space exploration

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?