Which of these is true for a fission reaction? a) it is an endothermic reaction. b) a heavy nucleus splits into two smaller nuclei. c) two light nuclei combine to form a single heavier nucleus. d) it is an interaction between valence electrons of an atom.

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius