What was NOT a reason that people beileved black power was necessary

Explain how you might determine the rate of weathering on a sample rock

According to the article, which five aspects of mindfulness did researchers study?

Based on calculations, students should have 10.4 grams of powder after conducting an experiment. the students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams. which words best describe this data? check all that apply. a- accurate b- falsified c-invalid d-precise e-redundant