In terms of structural materials is to plants as is to lobsters and crabs

Which of the following attitudes is not likely to lead to unsafe decisions? a. anxiety b. composure c. overconfidence

2. your driving record a. is totally confidential. b. may be available to the public. c. is available only to your employer with your authorization.

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.