earthquakes produce both body and surface waves which is the fast sesmic wave!!
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The Cambrian explosion was a period at the Pre-Cambrian boundary of the geologic time scale at 542 Ma. At this boundary, the fossil record shows that animals suddenly appeared in a dramatic radiation of life. A radiation is the relatively rapid development of new types of organisms that derive from a common ancestor. The Cambrian explosion is important because it marks the origination of all major animal groups called phyla.
Answer:
The object's weight would be less on the moon.
The Object's mass would be the same on the moon
"the process of hypothesis and testing through which scientific inquiry occurs"
