For each statement, determine if the resistance would increase or decrease. (4 marks)

Would Resistance Increase or Decrease?

a. The material of the wire is changed from rubber to gold

b. The temperature of the wire is increased.

c. The length of conducting wire is increase

d. The cross-sectional area (thickness) of the wire is increased.

which of these would not contribute to a global increase in temperature?

A new treatment is developed that prevents death but does not produce recovery from disease. Which of the following will occur?

a) Incidence will decrease

b) Incidence will increase

c) Prevalence will decrease

d) Prevalence will increase

Which of the following statements about entropy is true?

a. Entropy increases going from one trophic level to another.
b. Increases in entropy lead to reversible processes.
c. A system’s work output is limited when changes in entropy do not occur.
d. All of the above