Which state has a tundra and sub-arctic climate? a. alaska c. north dakota b. montana d. none of the above select the best answer from the choices provided a b c d

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

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Helium decays to form lithium. which equation correctly describes this decay?