Air Pressure
What is force?
A push or a pull on an object.
Is air pressure a push, a pull, or both?
* Air pressure is
*How is air pressure measured?
*High air pressure causes air to
weather.
*Low air pressure causes air to
Weather
This leads to
This leads to
What instrument is used to measure air pressure?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?