Questions

The study or scientific study of the structure, development, and abnormalities of the teeth is called Odontology. The science that studies teeth and their surrounding tissues, especially the prevention and cure of their diseases is called Dentology.
 

The push or pull on an object that causes it to move or stop or change direction is called as Force.

True, the greenhouse effect is caused solely by human activities such as deforrestation, depletion of natural resources and emission of CO2 by using vehicles, refrigerators and AC's.

Personal flotation devices (PFDs), have life span upto it is damaged. Hence, When it has a torn strap you should discard a PFD.

Mitochondria is the Organelle in which Cellular Respiration Occur.

Charak was a native of Kashmir.

The sentence that states the main idea of the paragraph is called as Thesis or the topic sentence.

Cellulose is closely related to sugar and rated as a carbohydrate, which means that it is a compound of carbon, hydrogen and oxygen. The woody trunk of a tree is no more than dead cell walls.

Trunk of a tree refers to the main wooden axis of a tree that supports the branches and is supported by and directly attached to the roots. The molecule that makes it sturdy is cellulose.