Your friend plays soccer, described a situation where your friend would have high kinetic energy and low kinetic energy

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic