During an exothermic reaction, the energy given off comes from
a. atoms being consumed
b. mass being turned into energy
c. the breaking and forming of bonds
d. mass being created

Why do german shepherds shed so much

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

What best describes the dropping height of a ball that bounces back up to a height of 45 cm