Select the best dated evidence that humans have been on earth for over four million years from the choices provided. a. a fossil nicknamed lucy was found in east africa. b. a specimen nicknamed ardi was found in east africa. c. artifacts from the stone age were discovered in east africa. d. evidence from the last ice age was found in east africa.
Answers: 1
Physics, 21.06.2019 21:30
What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided
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Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system
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Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?
Answers: 2
Select the best dated evidence that humans have been on earth for over four million years from the c...
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