How many newton make one kg wt.?

How many dynes make a newton?

How many ergs make one joule?

Let A={1,2} . Find all the functions from A to A. How many of these are one - one ?

Where do the protonos move during ATP synthesis? How many protons move for the synthesis of one molecule of ATP?

How many segments are found in the abdomen of a cockroach?

What is Hall-Heroult process? How many Al can be obtained by burning about 1kg carbon anode?

In how many ways can one post 3 letters in 5 post boxes?