A) To whom does the elapsed time for a process seem to be longer, an observer moving relative to the process in another frame of reference, or an observer moving with the process? (2.5 points) In the above case, which observer measures proper time? (2.5 points)   B) Suppose a particle called a kaon is created by cosmic radiation striking the atmosphere. It moves by you at 0.950 c, and it lives 2.25×10−8 s when at rest relative to an observer. How long does it live as you observe it? (5 points)   C) Suppose a spaceship heading straight towards the Earth at 0.750 c can shoot a canister at 0.450 c relative to the ship. What is the velocity of the canister relative to the Earth, if it is shot directly at the Earth?  (5 points)   D) If a galaxy moving away from the Earth has a speed of 2500 km/s and emits 550 nm light. i) What wavelength would we observe on the Earth? (5 points) ii) Is this red shifted wavelength or blue shifted wavelength. Explain your answer. (5 points) (Incorrect explanation = no points)  

Besides mutation and natural selection, which of the following is a cornerstone of evolution?

If sperm is made before the egg, the animal is said to be:

The sum total of all the chemical and physical processes of an organism is called:

Which  of the following means “few long hairs?”

12. The final polish of a light-cured composite can be implemented

17. Which advantage is NOT associated with email or text messaging recall systems?

4. In an extraction, the dentist uses which instrument before extraction forceps?

21. Which gypsum product is commonly used to make diagnostic models?

40. C-A-B is basic life support stands for