Consider what you know about biotic and abiotic factors in an ecosystem.

‘all monkeys have tails’ is an absolute statement. t or f

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.

Tim earns $9.20 per hour when he works at the college library how much money does he earn by working at the library for 4.5 hours