Who proposed that the atom had a positivley charged nucleus as its center

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.