What process do cells do to form new skin cells

What do I have to do to figure out " What % of an object's mass is above the water line if the object's density is 0.82g/ml " with just that information?

What happened to the pitch of the sound as the sound source moved past the observer? Record your observations.

A stretched string of length L is observed to vibrate in seven equal segments when driven by a 686-Hz oscillator. What oscillator frequency will set up a standing wave so that the string vibrates in two segments?

A sample contains 24 g of a radioactive isotope. How much radioactive isotope remains in the sample after 2 half-lives? A. 3 g B. 6 g C. 12 g D. 1.5 g

What is the bicyclist's velocity at t=35s?

What do you call a drug that increases speed

2. How is frequency described in mathematical terms?

During a summer with little rainfall, your house on a hill slope experiences an interval during which your well runs dry. You have to borrow water from your neighbor who lives downslope from you. Why does your neighbor have water when you don't?

If a force does not act parallel to the resulting displacement, what is the effect on the work done by the force?

A stick is a connection of two same - diameter metal rod 5 cm, and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal / s. m.°C, and the second stick 50 cal / s. m.°C.