Which of the following types of countries are most likely challenged with the problems associated with a large youth dependent population, such as providing public primary education for all children?

Less developed countries

Explanation:

Less developed countries are the countries that lag behind in terms of development and national income. The income of such countries are so low that they face many challenges for the smooth running of the economy. Public education, heath facilities, housing facilities, standard of living, technological advancements are some of the major fields in which these countries fall behind. The country is also termed to be poverty stricken.

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

carbon-14

nitrogen

carbon-12