What is the number 12 of blood coagulation factors?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What terms describes being out of water after being submerged

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions