Identify where the renal pyramids are located.

A nucleotide of DNA may contain ____.

Carbon makes _____ bonds with other atoms.

A suggested and testable explanation for an event is called a___

When acids are added to a solution, the pH should increase. 

Inductive reasoning is the form of logical thinking that uses related observations to arrive at a general conclusion. 

Referring to the periodic table below, find potassium (element abbreviated as K). What is potassium’s charge when it becomes an ion?

Even if you quit smoking, the damage to your lungs is already done and they will not return to normal.

The pharynx contains the tonsils, which protect against invasion of inhaled foreign particles.

The epiglottis is the slit between the vocal cords.