Hey i need help... if anyone can help me please and Thank you!

Carbon dioxide can be produced form what type of power generation?

Nick wants to find out what the melting point of wax is. he has a block of wax, a graduated cylinder, a pan, a thermometer, and scales. which is the best procedure to follow for the experiment?

In wich of the following phases of the moon are you able to see the most surface area? a)new moon b)waxing crescent c)waxing gibbous d)waning cresent