Fill in the blank

One ___ is the distance lights travel in a year

The distance between the earth and the sun is about 93 million miles to reduce the difficulties of dealing with the large numbers of these distance scientists have designated the distance form of earth to the sun as one ___ or AU

The necleus of an atom is made up of what subatomic particles?

If anyone who can me with this hw? i would really appreciate it

Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.