<span>The international definition of fog is a visibility of less than 1 kilometre (3,300 ft); mist is a visibility of between 1 kilometre (0.62 mi) and 2 kilometres (1.2 mi) and haze from 2 kilometres (1.2 mi) to 5 kilometres (3.1 mi). Fog and mist are generally assumed to be composed principally of water droplets, haze and smoke can be of smaller particle size.</span>
Testosterone is the hormone that causes most of the changes in a boy's body during puberty, and men need sperm to be able to reproduce. In girls, the hormone, estrogen, targets the two ovaries, which contain eggs that have been in the girl's body since she was born. Have a good day :)
He predicted that it would first happen in France
Congo River, formerly Zaire River, river in west-central Africa. With a length of 2,900 miles (4,700 km), it is the continent's second longest river, after the Nile.
