Fact 1: Increasing heat causes thermal expansion. Fact 2: Heating by direct heat is usually too hot. Given the two facts above, answer the question "What causes thermal expansion?" with the following options: - Electrical energy - energy of moving objects - making an object hot - cooling an object - freezing an object - chemical reaction - global warming - stretching an object
making an object hot

(Question)
Fact 1: Viruses often infect bacteria. Fact 2: Viruses Viruses are the simplest organisms known. Given the two facts above, answer the question "what often infects bacteria?" with the following options: - major threat to health - h2o - simplest known organisms - Food poisoning - mercury - humans - By wind and rain - microorganisms
(Answer)
simplest known organisms

Ques: Fact 1: The vomiting reflex is used to remove toxic material from the stomach before it is absorbed. Fact 2: Finally, lead is toxic. Given the two facts above, answer the question "What is used to remove lead from the stomach?" with the following options: - Vomiting reflex - heat energy - Fish hook - layers of fat - an electron microscope - evaporation - digestion - acid
Ans: Vomiting reflex

(Q).
Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: For example, salt is NaCl. Given the two facts above, answer the question "what can be added to a solid to decrease its freezing point?" with the following options: - oxygen - ice - an ion - NaCl - potash - Acids - sugar - h2o
(A).
NaCl

Ques:Fact 1: Acar engine usually converts gasoline into motion and heat through combustion. Fact 2: Combustion is never complete in gasoline and diesel engines. Given the two facts above, answer the question "What do cars use gas to produce?" with the following options: - Pollution - Energy. - thrust - energy - glycogen - deadly - motion - heat

Ans:motion

Fact 1: If an organism becomes too hot then that organism may die. Fact 2: Bacteria are single-cell organisms. Given the two facts above, answer the question "what might die if it becomes too hot?" with the following options: - tunicates - bacteria - gamma rays - clouds - some mammals - h2o - Frogs - humans
bacteria