How many calories are absorbed by a copper spoon with a mass of 200 grams as it changes from 28°c to 33°c? (note, this could be physics, but i have integrated physics & chemistry.)

a. 0.00027
b. 3
c. 90
d. 13,000

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.