Answer:
Place a glowing splint in the test tube, and if it reignites, it could be oxygen. Place a burning splint into a test tube, and if it goes out, it could be carbon dioxide. Or, place carbon dioxide gas in limewater, and if it turns milky and gets chunks, it is carbon dioxide.
The correct answer is option D, They both lack nuclear membrane
Both Archaea and Bacteria belongs to the prokaryotic and thus have no cell nucleus or any other membrane-bound organelles in their cells. These two are single celled and reproduce through binary fission.
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Two main factors :
First, the distance from the earth to the sun allows enough heat (energy), not too much, to be absorbed on earth's surface.
Second, earth's atmosphere allows it to keep most of the heat it absorbed during the day for the night. Otherwise, temperatures would drop down below a life sustaining point.
Answer:
Molecules result when atoms share electrons,
while Ionic Compounds are formed when a metal and nonmetal combine.
Explanation: