Questions

A postage stamp on the letters, parcels, ... for post will be on the corner of the post but it travels around the world to any address we want send that.

Beta is the measurement of the systematic risk of the market.

Cathode rays made of beams of electrons.

The Bill of Rights established the rights of citizens. It is also called as Declaration of rights or Charter of rights. It is a list of most important rights to the citizens of a country.

Any factor limiting the size of a population whose effect is not dependent on the number of individuals in the population, then such factor is called Density Independent Factor. It is things that the organisms have no control over.

Here in the given options, food shortage and disease are factors that are dependent on the number of population but Floods have no dependency.

Some examples of density independent factors are :: Earth quake, fires, volcanic eruptions, floods, and  all natural calamities.

When you can't hear it is called as Deaf.

450 mm Hg denotes the air pressure.