(please answer fast and clear!)

1.) How can evolutionary pressure cause extinction?

2.) When does mass extinction occur, and why?

3.) What significant event in Earth’s history do scientists believe occurred approximately 65 million years ago?

4.) How does iridium, found in clay around the world, provide evidence for this theory?

How are plants alike and different from their parents

Use a graphing calculator to solve the equation - 3 cos t = 1 in the interval from 0 ≤ theta ≤ 2 π round to the nearest hundredth.

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.