Answer:
D
Explanation:
correct me if I'm wrong on your answer and it's the right answer from my son
Explanation:
1) Radar uses radio waves, which are a type of electromagnetic energy. Sonar uses the echo principle by sending out sound waves underwater or through the human body to locate objects. Sound waves are a type of acoustic energy. Because of the different type of energy used in radar and sonar, each has its own applications.
2)Radar systems operate using radio waves primarily in air, while sonar systems operate using sound waves primarily in water (Minkoff, 1991). Despite the difference in medium, similarities in the principles of radar and sonar can frequently result in technological convergence.
Can you show the rest of the problem
Answer:
Acceleration
Explanation:
I think so & hope it will help yuh!
The answer is has no moons. Mars has two moons