MindiNoli MindiNoli

23-08-2015
Physics

contestada

Which gas is a source of natural groundwater pollution?
a. Radon
b. Carbon
c. Oxygen
d. Hydrogen

Respuesta :

Аноним Аноним

23-08-2015

It is A) Radon Gas! :D

Radon gas is a contaminated stock of the oxidation of spontaneously befalling uranium within the Earth's shell.

Answer Link

Otras preguntas

The Victorian Era spanned the rule of?

How do you add 0.89+0.657?

Identify What Actions A Government Can Take To Protect Its Domestic Industries. Describe The Effects That These Actions Have On Domestic Consumers?

Using diplomacy as a way to end conflicts between nations is one of the functions of the UN. NGOs. the Chief Negotiator. the UN General Assembly.

A solid figure has 5 faces, 8 edges, and 4 vertices. What figure is it?

which one of the following choices about the the nutritional value of beans is most accurate

Which answer shows a correct way to divide the word at the end of a line? A. p-roof B. cannot be divided C. pro-of D. pr-oof

Please help! Which statement about George Washington is correct? A. He endured terrible hardships with his Continental Army at Valley Forge. B. He had no milit

Marissa is researching information martial art students she found that 7 out of 12martial artist practice every day there are 144 martial arts students at a sch

A library's online catalog is a computerized index of A. books found within the library. B. library staff contact numbers. C. search engines offered by the lib