Answer:
900,000 years ago In Neolithic or Stone Age.
Hope it helps
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Answer:
command economy - the government makes the decisions on what to make and how much.
market economy- prices are set by the consumer.
Traditional economy- people tend not to use money, but barter and base ideals on the past ways.
I think answer a makes the most sense because when you are skeptical, you tend to not accept new and different ideas that are contrary to what you think is true.
Answer:
It is made of several small objects combined together.
Explanation:
Wave is a disorder that travels through the medium periodically, carrying energy, but not matter. Five parameters determine waves: period, frequency, amplitude, wavelength, and speed. The amount of energy the wave carries is determined by the amplitude. The high amplitude wave possesses a high level of energy, a wave with a small amplitude carries a small amount of energy. In addition, the amplitude does not affect the speed of the waves; both Waves A and B travel at the same speed. The velocity of the wave changes with the characteristics of the media through which they pass.
Right answer is B) the amplitude of the waves.
