Which statement describes how echolocation and ultrasound imaging are the same? A. They both use the absorption of sound waves.
B. They both use the diffraction of sound waves.
C. They both use the reflection of sound waves.
D. They both use the transmission of sound waves.

An observation that requires measurement is called quantitative observable or qualitative

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.