Which of the following is a common source of groundwater pollution?
a. oil dumping and oil spills
b. tossing candy bar wrappers into a stream
c. flushing household chemicals down the toilet
d. leaking storage containers outside factories

Order the following from smallest to largest atom, electron, quark, proton, neutron, molecule, nucleus

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles