An iron bar has more mass than a plastic bar of the same volume. so the iron bar will have greater inertia. a. true b. false

What is the most useful equation for electric power?

What are known as the properties of substances that describe a substance et does not change that substances?

Which of the following is true about fossils? a. fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock. b. fossils found in lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. c. the relative age of fossils cannot be determined from their position in sedimentary layers.