So, a possessive noun is usually used to indicate who or what has something, like "The Dogs' ball."
To change this form of children,plural, to a possessive noun, you will want to add an apostrophe, and then an s. It changes to this:
Children's
40,000,000 pounds, a ton is 2000 pounds, so just multiply
Explanation:
It is well-known by many people and contains facts that seem to be accurate.
A main current or a stream of liquid or gas
Devices studied include allusion, diction, epigraph, euphemism, foreshadowing, imagery, metaphor/simile, personification, point-of-view and structure