Questions

American Independence was acknowledged by England in 1783 in the treaty of Paris and George Washington was elected the first President of USA.

Savannas are home to a wide diversity of animals.

Many animals of the savanna migrate throughout the year, searching for food and water. Many of the droughts are seasonal and hit one area before another, so animals are constantly following the rains.

Hence, Rain fall is what often governs animal migration on savannas.

Hydrogen is the common element to all Acids. But every element which contains Hydrogen is not an Acid. Most of the acids also contain Oxygen.

Life originated by chemosynthesis was proved in the laboratory by Miller.