msdeeedee17 msdeeedee17

22-01-2015
Biology

contestada

Which gas is a source of natural groundwater pollution?

Respuesta :

lrathburn lrathburn

22-01-2015

Radon gas is a radioactive product of the decay of naturally occurring uranium in the Earth's crust. Groundwater entering a house through a home water-supply system might release radon indoors where it could be breathed.

Answer Link

Otras preguntas

Graph f(x) = -2. (3)(x-1) and find the transformation points

You need to download 3 games for your math class. Each game is the same price. Since this is your first time downloading a game from the site, you are also char

what do you call a closed plane figure that is described by a finite number or line segment

Malorie bought 105 pens. They came in packs of 15. How many packs did she buy? i need the answer and the equation!

¿Por qué necesitamos ARN para producir proteínas?

please help I dont know how to do this.

Suppose that you have 11 cards. 5 are green and 6 are yellow. The 5 green cards are numbered 1, 2, 3, 4, and 5. The 6 yellow cards are numbered 1, 2, 3, 4, 5, a

Now write four additional questions about HIV/AIDS that could help strengthen your argument in the presentation.

Value of investment (R) 340 000 300 000- PROJECTED VALUE OF CLINT'S INVESTMENT OVER TIME HJJ R29578.31 260 000- 220 000- 180 000- 140 000- R157 899,85 100 000 -

If the half-life of I-131 is 4.1 days, how many days would it take for only 3.2 x 10-2 grams of I-131 to be left in Mr. Miller's body if Dr. Goodie started him