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

when you divide me by 5 and get a remainder 4. I have two digits. both odd. the sum of my digits 10

Do you think democracy/capitalism is the only way we have in order to build prosperous society? a) If so, why do you think so? b)If not, why not?

When solving the equation 4(3x^2 + 2) - 9 = 8x^2 + 7, Emily wrote 4(3x^2 + 2) = 8x^2 + 16 as her first step. Which property justifies Emily’s first step?

How did the death of Malik Shah affect the Seljuk Empire?

What were the three social classes of the feudal system?

Find out about two government schemes to ensure social justice to the marginalized sections of our society.(Explain any two in details)

The best definition of subsistence agriculture is (1) supplying crops for overseas exports (2) bartering crops for manufactured goods (3) storing surplus fo

Was the United States right to reject the Treaty of Versailles? Why or why not?

A student was given the equation x^2 + 6x - 13 = 0 to solve by completing the square. The first step that was written is shown below.

What is the Freedom of Information Act?