Chemistry, 11.04.2022 07:20 itscarterelliottt
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How long (in centimeters and years) was the Precambrian period compared to the rest of the scale?
How many years and “centimeters” of time separated the dinosaurs and humans on Earth?
How many years and centimeters of time passed before life appeared on Earth?
For how many years of geologic time have humans existed?
Did dinosaurs exist at the same time as mammals? Explain your answer using the geologic time scale.
Answers: 2
Chemistry, 22.06.2019 04:30
Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat
Answers: 2
Chemistry, 22.06.2019 17:30
Consider the story you just read. all but one of the choices below indicate that something is living.
Answers: 1
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How long (in centimeters and years) was the Precambrian period compared to the...
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