Alpha and Beta Rays Are Deflected in Opposite Directions in a Magnetic

question 33

Multiple Choice

Alpha and beta rays are deflected in opposite directions in a magnetic field because

• A)they have opposite charges.
• B)they spin in opposite directions.
• C)alpha particles contain nucleons and beta particles do not.
• D)all of the above

Recognize the geologic periods associated with significant evolutionary developments and mass extinctions.

Describe the process and significance of the endosymbiont theory in the evolution of eukaryotic cells.

Explain the fundamental divisions of the geologic time scale and their significance.

Understand the impact of photosynthetic autotrophs on the earth's atmosphere and the evolution of life.

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