Potassium has an atomic number of 19. What is its electron configuration?.

What action will reduce the risk of energy on a motorcycle

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

Use the series of plates supplied with your study unit to answer this question: how many two-pole 30-a breakers are installed in panel pp1? a. four b. two c. eight d. nine can i get an answer for this question?