Questions

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.

Secondary succession means in an ecosystem renewal of itself after all or a portion has been destroyed.

After a forest fire, the whole forest had destroyed but after that again renewal of that forest is also an example of secondary succession.

Sunil Arora, appointed as the new Chief Election Commissioner of India.

Uttar Pradesh state government to install 221-Metre Bronze Statue Of lordRam In Ayodhya.

11

Because, on preprocessing the expression becomes  a = ( 3 + 2 * 2 + 3),  as Ist preference is multiply & then addition, it evalvates as(3+ 2 * 3 +2) = (3+6+2)=11.

Polar lights (aurora polaris) are a natural phenomenon found in both the northern and southern hemispheres that can be truly awe inspiring.

Northern lights are also called by their scientific name, aurora borealis, and

Southern lights are called aurora australis.

Amazon Rainforest Forests are located in South America.

We know that, peninsula is a piece of land that surrounded by water on three sides.  Hence, it is what A piece of land almost surrounded by water i.e, three sides water and one side land.