Which statements describe chemical changes? Check all that apply. They change a substance's properties.
They change a substance's identity.
They can usually be reversed.
They keep a substance's arrangement of atoms the same.
They change a substance into a different substance.

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Which element is found in both dna and proteins