This question related to the Doppler effect, which states that the incident frequency of waves from a moving source is different from the actual frequency. The point where the actual frequency is observed is when the source is right next to the observer.
I would say A because if the ball is rolling down the hill the it won't stop till it hits the bottom.
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Answer:
Synthesis Of Osmoprotectants
Explanation:
One Mechanism Halophiles use to survive in high concentrations of salt is the Synthesis Of Osmoprotectants, which are also known as compatible solutes. These work by balancing the internal osmotic pressure with the external osmotic pressure, making the two solutions isotonic, or close to it.
The system that eliminates cellular waste through the lungs, skin, and kidneys, is the Endocrine system.
Answer: Endocrine system