A country with a CBR of 40/1000 and a CDR of 10/1000 would have a RNI % of

Explanation:

The Rate of Natural Increase (), when there is no migration, is calculated by:

Where:

represents the Crude Birth Rates

represents the Crude Death Rates

Hence, this country has a RNI of

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12