defines and exemplifies homogeneous and heterogeneous mixtures

What must happen before a body cell can begin mitotic cell division

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

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5