The mass of 1 gram: is kept as a standard platinum cylinder in France
equals 1 cm³
is .01 kg
equals the mass of 1 mL of water at 4°C

C. equals the mass of 1 mL of water at 4°C

Explanation:

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.