A situation where friction would be desirable is rubbing your hands together to make them warm in the winter time.
Answer: Option A - Recognition of DNA sequence by a DNA or RNA probe
Explanation:
Southern blot helps to get the sequence of DNA that is complimentary to the DNA or RNA probe used
Clouds and Strom
The troposphere is the most minimal layer of Earth's environment that is closest to humans , and is likewise where almost all climate conditions happen. It contains roughly 75% of the climate's mass and 99% of the aggregate mass of water vapor and pressurized weather elements occur
