Using sound waves, signals allow oceanographers to determine ocean depth.
a. sonar
b. radar
c. phone
d. radio

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

What is a good example of instantaneous speed

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?