PHOTO HELPPP Why should photographers not only have digital copies, but also printed copies of their photos? A. Printing photos is the less expensive option
B. Printed photos are higher quality than digital files
B. Computers sometimes require special software to read certain files
D. Computers will damage digital files easily

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.