What is the reason that friction is present in surface to surface contact?

there is water in the lubricant

surfaces have microscopic peaks and valleys

one surface is larger than the other surface

surfaces are very smooth and highly polished

Adna sequence encoding a five-amino acid polypeptide is given below. …… …… locate the sequence encoding the five amino acids of the polypeptide, and identify the template and coding strand.

Someone with this coz i don’t really know what i can choose, just pick whatever u want. homework - you need to choose a website that you like or use frequently. you must visit the website and discuss 6 different features/parts/aspects of the website that you think makes it good. (100 words)

What does the level 1 topic in a word outline become in powerpoint? a. first-level bullet item b. slide title c. third-level bullet item d. second-level bullet item