Questions

The correct pairing of DNA bases among the given options is guanine - cytosine.

Beowulf is an Old English epic poem consisting of 3,182 alliterative lines. It is one of the most important works of Old English literature.

Toddy

A neuron or nerve cell is a cell that carries electrical impulses. Neurons are the basic units of the nervous system and its most important part is the brain. Every neuron is made of a cell body (also called a soma), dendrites and an axon. Dendrites and axons are nerve fibres.

The gap between two communicating neurons is termed Synaptic cleft.

The USSR( now a Common Wealth of Independent States) is spread over Europe and Asia

Japan's - Japan Aerospace Exploration Agency (JAXA) has successfully launched the world's smallest rocket with the ability to put a tiny satellite into orbit. Rocket -  SS-520 which was pnce failed in 2017 lifted off from the Space Center carrying a microsatellite TRICOM-1R, a three-unit CubeSat weighing about 3 kilograms. The CubeSat will now be used to collect images of the Earth's surface via multiple cameras.

A Mirage is a naturally occurring optical phenomenon due to unequal heating of different parts of the atmosphere in which light rays bend to produce a displaced image of distant objects or the sky.

Most important weather phenomena occur in the layer of Thermosphere.

Most of the weather phenomenon occur in the layer of Troposphere.