inter phys-chem, for the exam, CD 5

Which of the following would decrease your carbon footprint?

A. using paper bags
B. using any bag more than once
C. using plastic bags

Plants remove which greenhouse gas from the atmosphere?

A. methane
B. nitrous oxide
C. carbon dioxide
D. ozone

Night vision glasses detect _______ energy emitted from cooling objects.

T/F: All scientists agree that the current warming trend is caused by human activity
True False

Which of the following is not part of the carbon cycle?

A. respiration in plants
B. evaporation of water from the oceans
C. photosynthesis in plants
D. decay of plants

A drop of vinegar (a weak acid) is placed on a sample of each of the materials below. Which will show the most active reaction?

A. marble
B. steel
C. glass
D. copper

The blackbody curve for a star named Theta is shown below. What is the surface temperature of this star rounded to the nearest whole number?



A. 52,870 K
B. 23,200 K
C. 800 K
D. 36,250 K