As elevation increases, temperature decreases. At which elevation will sound travel fastest? 2,000 meters
1,500 meters
1,000 meters
500 meters

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy

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?