15. the radioactive gas radon can accumulate in the basements of buildings on one of the following kinds of rock. which rock is it? sandstone granite limestone clay

A/an map shows the types of rock and/or sediment present in a particular region.a map that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.to show the dominant weather pattern in a region over a long period, a scientist is likely to create a/an map.a map has contour lines, which connect points at the same elevation.a map that uses shading to represent rates of violent crime across a state is an example of a/an map.

The current is like a stream or river in the ocean true or false

The government of country a has determined there is a coal shortage a seed on mining reports as a result of these data the government decreases coal exports to other nations access to information country a