Explanation

The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

Explanation

The first telephone was invented by Alexander Graham Bell,

Who was awarded the first US patent for his invention on March 7, 1876.

Bell famously made his first successful telephone call on March 10, 1876

Explanation

HCF: Highest Common Factor

Explanation

ASPNA stands for Association of Pakistani Scientists and Engineers of North America. 

Explanation

A drop in the ocean means very small amount

Explanation

The Idiom Apple-Pie means arranged neatly or perfectly: in perfect order.

For example:

Everything in the cupboard was (arranged) in apple-pie order.

Explanation

The agreement was signed on November 12, 1893, in Kabul, Afghanistan.

The agreement was signed between Sir Mortimer Durand, the Indian Foreign Secretary at the time and Amir Abdur Rahman Khan in Kabul.

Explanation

F5

shortcut key used for refresh content Microsoft

Explanation

PICIC stands for_____?

Pakistan Industrial credit and investment corporation

Explanation