When an object's temperature , it contracts.
a. increases
b. remains constant
c. decreases
d. none of the above

What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each

If gases like carbon dioxide and methane make up less than 1% of the total atmosphere, why is it important for scientists to monitor changes in percentages of these gases?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass