Cara and chuck were looking at pond water through a microscope. they saw this image. cara wondered what it was. chuck said it had to be a living thing because it was a) green. b) moving. c) made of cells. d) round throughout. plz !

Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

What type of electromagnetic radiation has a shorter wavelength than blue light