The question only makes sense if you specify that
you're talking about the same amount of each.
Olive oil . . . . . 120 calories / Tablespoon
Table sugar . . . 22.5 calories / Tablespoon
In equal volumes, olive oil has a little more than
5 times the calories of granulated sugar.
Sesame oil, soybean oil, almond oil, canola oil, corm oil,
cottonseed oil, flaxseed oil, grapeseed oil, palm oil,
macadamia nut oil, peanut oil, safflower oil, walnut oil,
wheatgerm oil, and sunflower oil are all virtually identical
to olive oil in calorie content, but their saturated fat content
is different.
It's not A or B because neither have any effect on air pollution. Air conditioners or heaters just change the temperature of the air by filling the room in. Products being reused or disposed makes no difference on air, although it can make a big impact on whether the environment stays green so to speak.
The answer is C.
Hazardous waste are different. They are dangerous, suffocating, and irritating. They are pretty much chemicals that people should be careful of using. It's even worse if it's not disposed of properly. The name hazardous itself explains the danger. It is something that can pollute the environment if not taken care of properly.
The diagnostic test in which CSF is removed for laboratory test is a lumbar puncture, also called a spinal tap.
Safety: the condition of being protected from a certain risk