I think it's DNA forms a double helix and RNA consists a single strand.
I may be wrong...
Answer:
EVEN DOE IT TOO LATE, ITS B
Explanation:
Greenhouse effect is the natural phenomenon which makes the Earth's atmosphere favorable for any form of life. As the sun's rays radiates into the atmosphere, some are deflected while some are absorbed. The Earth reflects this back, causing the heat to be trapped. At night, this keeps the Earth warm enough. Without the greenhouse effect, nights would be too cold and days would be too hot that life cannot be sustained.
28g’s of KCI will be dissolved