How we can contribute to address global challenges?

Which of the following is not an effect of land substance

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.

Which of the following can scientists estimate geologic time? a. observing rock sequences b. radiometric dating c. comparing fossils d. all of these