Answer: A) Garba Explanation:

The reciprocal of a negative number is always a negative number. So that the number and its reciprocal multiply to 1.    All real numbers except 0 have reciprocals.

Mercury was the remedy of choice for syphilis in Protestant Europe. Until the early 20th century, the primary treatment for syphilis was mercury, in the form of calomel, ointments, steam baths, pills, and other concoctions. Mercury was already being used in Western Europe to treat skin diseases.

Answer: B) a surface exposed by a retreating glacier Explanation:

Answer: D) All the above Explanation: Common properties of Minerals are :   1. All minerals are formed in a natural process. 2. Minerals are inorganic 3. Minerals are crystalline solids. 4. Every mineral is an element or compound with a definite chemical composition.

An English word with five letters in which if you remove the last four letters, still pronounced the same is QUEUE.

Answer: A) amino acids Explanation: It is the fact that all type of proteins are polymers of amino acids. So that, plants are also used to synthesise protein from amino acids.    Plants synthesis protein from amino acids in the presence of ATP by specific synthetases. This reaction is followed by the attachment of these activated amino acids to specific tRNA molecules, with the formation of aminoacyl-tRNA molecules.

Rain is what only comes down but never goes up.