If you see a swimmer in distress you should:
-Run for help
-check-call-Care
-walk away
-ask them questions

Which feature of a heating curve indicates a change ofn state

Describe the function of the endomembrane system? what organelles are involved?

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)