The Carbon Quiz

In the earth’s crust, there is only 0.02% carbon.

The atomic number of carbon is 6.

Carbon attains a stable configuration by sharing its valence electrons with other atoms or atoms of other elements.

<p>The mass number of carbon is 12.</p> Signup and view all the answers

<p>Carbon can complete its octet by sharing electrons with other atoms, belonging to the outer shells of both the atoms.</p> Signup and view all the answers

<p>The main functions are mechanical and chemical digestion, and absorption.</p> Signup and view all the answers

<p>Peristalsis is the process of smooth muscle contraction that moves food down the esophagus toward the stomach.</p> Signup and view all the answers

<p>The internal structure of the stomach has ridges and folds called rugae.</p> Signup and view all the answers

<p>The majority of absorption takes place in the small intestine.</p> Signup and view all the answers

<p>The large intestine is responsible for eliminating waste matter.</p> Signup and view all the answers