What powerful empire ruled much of what is now mexico at the time of the spanish arrival?

Which statements are accurate about snow flakes

Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these

State a hypothesis with a numerical estimate of the calories contained within a peanut based on the nutritional information on the package label combined with what you have learned in this lesson about fuel efficiency and calorimeters.