Which statement best describes an igneous intrusion?
a. magma explodes to the surface and forms a smooth outer layer of rock. b. magma is exported to an open area and forms iron. c. igneous intrusions form when ice crystals splash into lava. d. magma is injected into surrounding rock forming an igneous intrusion.

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

Which statement best describes what happens when molecular compounds melt

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61