Explain what a formal, functional, and perceptual region is and give an example each in your own words. I repeat, in your own words.

What is the amount of organic matter in all living organisms in a habitat called?

Altocumulus, altostratus, cirrocumuls, cirrostratus, cirrus, cumulonimbus, cumulus, nimbostratus, stratocumulus, stratus 8.) clouds with tallest vertical development 9.) low altitude clouds in solid layers that produce rain 10.) high altitude thin flat layers of clouds 11.) rain clouds that form under stable atmospheric conditions 12.) middle altitude clouds with globular appearance

Name the country with the highest population in africa?