Which Is the Explanation for the Difference Between the Two

question 7

Multiple Choice

Which is the explanation for the difference between the two isotopes of carbon, C-12 and C-14?

• A)C-14 contains 2 more protons than does C-12.
• B)C-14 contains 1 proton and 1 neutron more than does C-12.
• C)C-14 contains 2 more neutrons than does C-12.
• D)C-14 contains 2 more electrons than does C-12.

---

Definitions:

Forebrain

The part of the brain containing the thalamus, hypothalamus, hippocampus, amygdala, and cerebral cortex.

Midbrain

The part of the brain containing structures that are involved in relaying information between other brain regions and in regulating levels of alertness.

Thalamus

A structure in the forebrain involved in relaying information, especially to the cerebral cortex.

Medulla Oblongata

A section at the lower part of the brainstem controlling vital life functions such as breathing and heart rate.