Questions

A morpheme is the smallest unit of a word that provides a specific meaning to a string of letters.

Anarchy means Absence of government.

Activation of the receptors by stimuli is called Sensation.

Wind and solar energy are examples of Renewable energies. 

Renewable energy sources are those which can be naturally replenished. 

Black

A normal reading would be any blood pressure below 120/80 mm Hg and above 90/60 mm Hg in an adult. If you're in the normal range, no medical intervention is needed.

However, you should maintain a healthy lifestyle and healthy weight to help prevent hypertension from developing.