Some earthquake waves, a cat’s purr, and elephant communications consist of ultrasonic waves.
true
false

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical

The photo above shows oil and vinegar in a pitcher. the top make a claim about about the density of the vinegar compared to the density of the oil summarize the evidence to support the claim and explain your reasoning