Line 1: *Amphibians have sense organs to smell and taste chemicals. Bullfrogs eat other amphibians. Bullfrogs can smell and taste chemicals through sense organs.*
*(H)*
Line 2: *What do sense organs help bullfrogs do?
Options:
- (A) excrete waste
- (B) empty gall bladder
- (C) An object is seen
- (D) Move to another area
- (E) Catch prey
- (F) protect them
- (G) smell and eat
- (H) smell and taste*

Logic of a solution: *Nitrogen is found in proteins, nucleic acids, and chlorophyll. Most molecules are proteins or nucleic acids. Nitrogen is found in most molecules.*
*(F)*
The original question: *_ is found in most molecules.
Options:
- (A) glucose
- (B) Gold
- (C) Energy
- (D) food
- (E) Polonium
- (F) Nitrogen
- (G) Helium
- (H) heat energy*

Line 1: *Sweat wets the skin, and when it evaporates, it cools the body. Sweat is made of salt and water. The evaporation of water from the skin cools the body.*
*(G)*
Line 2: *An overheated body can use water for:
Options:
- (A) metabolic reaction
- (B) dehydrating
- (C) raising their temperature
- (D) heat produced
- (E) liquid
- (F) watering plants
- (G) evaporative cooling
- (H) retaining heat*

Logic of a solution: *Lung cancer is most often caused by exposure to tobacco smoke. Tobacco includes cigarettes, cigars, chewing tobacco, and more. Lung cancer is often caused by exposure to cigarettes and cigars.*
*(A)*
The original question: *What kind of cancer does exposure to cigarettes and cigars often cause?
Options:
- (A) lung
- (B) UV
- (C) foot
- (D) damage
- (E) skin
- (F) death
- (G) breast
- (H) harm*

Line 1: *Viruses are usually considered to be nonliving. Influenza Virus Inluenza virus are negative-strand RNA viruses with a segmented genome. Influenza is considered to be nonliving.*
*(D)*
Line 2: *What is considered to be nonliving?
Options:
- (A) illness
- (B) Staphylococcus
- (C) cigarettes
- (D) Influenza
- (E) Leptospirosis
- (F) bacteria
- (G) E. coli
- (H) Streptococcus*

Line 1: *Arteries generally carry oxygen-rich blood. About O2, every living thing requires oxygen in order to live. Arteries generally carry blood full of O2.*
*(D)*
Line 2:
*Arteries generally carry blood full of
Options:
- (A) He
- (B) Au
- (C) O3
- (D) O2
- (E) DDT
- (F) Ni
- (G) CO2
- (H) gas*