Carbon dioxide contains polar bonds and is a nonpolar molecule.
Indicate whether the statement is true or false
Question 2
In a dilute saline solution the solute is in the form of ________.
A) Na+ and Cl-
B) NaCl (s)
C) NaCl ()
D) both A and B
Question 3
Archaeological evidence indicates that ancient Egyptians were brewing beer and other fermented beverages over 4000 years ago. In the mid-19th century, French scientist Louis Pasteur discovered and explained the source of fermentation using yeast.
This example illustrates that A) scientific knowledge may come before technological knowledge.
B) technological knowledge may come before scientific knowledge.
C) science and technology mean the same thing.
D) science and technology are not related.
The carbon cycle.
Structure of an antibody molecule
South polar cap in 2000
Covalent Bonds
Carbon Orbitals
Water Molecule