Jerimiah is studying wave a and wave b. wave a is traveling at 3 hertz, and wave b is traveling at 1.2 hertz.

what can be predicted about the waves if they were to crash into each other?

refraction would occur.
interference would occur.
the resulting wave would travel at 4.2 hertz.
the crest of wave a would overlap the trough of wave b.

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

What is the most appropriate method of gaining weight (muscle mass)

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.