List some ways houses would be built differently if gravity were much stronger or much weaker ?

Will you chech and finish these for me, because i am stumped with them.

Could someone me find the answer to this problem.

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.