Questions

Pine Top Smith (1899-1929) Considered to be the originator of the Boogie -Woogie style of piano playing.

Hour hand points to 8

Explanation:

Starting with the top clockface, and moving clockwise around the others, the minute hand moves forward 15 minutes, while the hour hand moves back 2 hours each time.

Genes: The DNA is the genetic material. The DNA is made of several nucleotides. A nucleotide means, one nitrogenous base one sugar molecule and a phosphate molecule. These Nucleotides occur in sequences and several nucleotides form one gene ( a functional gene is called a cistron)

Acute diabetes results in the formation of acetone in the body. Hence such patients smell of acetone.

They both are used to replace characters in a string

A food chain is the only chain we can eat.