I think the answer is C) R I had this question and that was right for me hope this helps!
Explanation:
in the circumstances in which the attempts do not contravene the ethical and judicial laws.
Answer:
Observers ahead of the wave observe an apparent increase in wave frequency
Explanation:
This is the Doppler Effect. The frequency of a wave increases when the source approaches the observer and decreases as the source recedes.
B, C, and D are wrong. Observers behind the source notice a decrease in frequency.
Answer:
The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.
Explanation:
B.
<span>Unicellular organisms would most likely have isogametes.
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