The answer should be b: active transport
It depends on how old you are.
Explanation:
Solar UV radiation. Australia experiences some of the highest levels of UV radiation in the world because we are close to the equator and have many clear, blue-sky days. The Earth's orbit also brings countries in the southern hemisphere (Australia included) closer to the sun in the summertime than countries in the northern hemisphere during summer.
The answer is B. Light microscope
Oh yeah, I know that question, this is an EASY science question. It would be A because fermentation<span> is a process that converts sugar to gases, or alcohol. Also, fermentation this process occurs in yeast or the common bread.
Hope that helps and I hope to see you again real soon ;)</span>