Alead cylinder has a mass of 540 grams and a density of 2.70 g/ml. what is its volume

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils