What makes the stratum corneum cells a poor host for HPV infection and what makes the stratum basale cells the best host?

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water