If a hawk is slowly soaring at a height of about 150 meters and spots a vole on the ground, folds its wings and begins its dive, it will simply accelerate downward with the gravitational acceleration, 10 m/s2. With what speed will it be going when it gets to the ground in m/s? (of course, it has to turn a bit above the ground in order not to crash. We will ignore this part of its flight path. ).

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.

According to the passage a mound is

The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as