Calculate the molarity of an aqueous solution that is 22. 3% by mass calcium chloride. You might need to know that the density is 1. 20 g/ml.

Students who cannot afford to pay the fee for the profile may be granted an automatic: a. scholarhship b. waiver c. fee d. loan

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.

Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill