Question 4 Which of the following statements best shows why it would be winter in the southern hemisphere and summer in
the northern hemisphere?
A Earth's tilt positions the northern hemisphere to receive more of the Sun's direct rays.
BEarth's tilt positions the southern hemisphere to receive more of the Sun's direct rays.
C
Earth's tilt exposes the northern hemisphere to longer periods of daylight.
D
Both A and C are correct.

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices