Answer:
The correct answer is D) Rate of fermentation.
Explanation:
Carbohydrates are fermented by yeast to form alcohol by alcoholic fermentation.
Now if the effects of different carbohydrate molecules are tested on yeast then the yeast will ferment different sugar molecules at different rate.
As a result the rate of fermentation will be the independent variable of the experiment.
I would say the answer is D) heat is trapped in the earth's atmosphere because of the green house effect
Answer:
Rudolf Virchow
Explanation:
During his studies on inflammatory exudates, Rudolf Virchow observed that the increased number of cells in the exudates was due to the formation of new cells by pre-existing cells. He also studied that the formation of new cells from the preexisting cells is responsible for wound healing and for normal growth and development of living beings.
True.
Whenever one organism gets infected, it spreads to its surroundings and so forth. This causes an epidemic.
