Multiple Choice
The gritty substance you may feel on your teeth after using toothpaste is actually
A) small deposits of sand.
B) diatomaceous earth.
C) cellulose from dinoflagellates.
D) a synthetic abrasive.
E) derived from foraminiferans.
Correct Answer:
Verified
Related Questions
Q31: Q32: Q33: Q34: Which pigment(s) is(are) characteristic of chlorophytes?
A) chlorophyll
