Which of the following is a non-point source of water pollution? A. oil from Exxon Valdez disaster

B. mercury dumped into a river from a nearby factory

C. radioactive waste dumped into a stream after an accident at a nuclear plant

D. agricultural fertilizer runoff

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive