Principle which explains that in a sequence of undeformed sedimentary rock, the oldest bed is on the bottom and each higher bed is successively younger, is called the principle of:

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude.

Soil is made of air water organic material minerals weathered rock

Irelanda. populationb. square mileagec. average population density per square mile