Predkosc fal elektromagnetycznych wynosi v=3x10 8 m/s=300 000 000 m/s Długosc fali emitowanej przez stacje radiową pracujaca na czestotliwosci 100 mhz jest rowna.

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain