In a nuclear accident such as occurred at Chernobyl, the ...

[shofmannx20]

In a nuclear accident such as occurred at Chernobyl, the long-term biological damage is caused by
 
  A) nuclear fusion occurring within the biological cells.
  B) the thermal energy produced by radioactive decay within biological cells.
  C) alpha, beta, and gamma particles passing through biological cells.
  D) nuclear fission occurring within the biological cells.
  E) the high energy vibrations of the water molecule that are caused by radioactive isotopes.

Question 2

A ball tossed vertically upward reaches its highest point and then falls back to its starting point. During this up-and-down motion the acceleration of the ball is always
 
  A) in the direction of motion.
  B) opposite its velocity.
  C) directed upward.
  D) directed downward.

[6ana001]

Answer to Question 1

C

Answer to Question 2

Answer: D