Fact 1: An animal requires air for survival. Fact 2: Animals use the oxygen to breathe. Given the two facts above, answer the question "What is required for breathing?" with the following options: - nose - photosynthesis - Gas - CO2 - cells - air - brain - lung
air

Fact 1: Most carcinogens cause cancer by producing mutations in DNA. Fact 2: DNA DNA is deoxyribonucleic acid. Given the two facts above, answer the question "what do carcinogens cause mutations in?" with the following options: - that material's properties - sub-units of species - Microscopic organisms - deoxyribonucleic acid - a lot of human deaths - the body's largest organ - harmful substances - female sex cells
deoxyribonucleic acid

Q: Fact 1: Moss causes chemical weathering. Fact 2: Chemical weathering is strongest in tropical environments. Given the two facts above, answer the question "Where is moss the strongest?" with the following options: - near the shoreline - looseness of dirt or compost - The area was once underwater - It used to be covered by water - dead organisms - tropical environments - our nearest star - the body's largest organ
A: tropical environments

Question: Fact 1: Protein is used to repair cells by the human body. Fact 2: Enzymes provide cellular energy, repair tissue organs and cells. Given the two facts above, answer the question "These are a type of protein that provides cellular energy in the human body:" with the following options: - health - pituitary - coiled - Proteins - unique - growth - enzymes - complexity
Answer: enzymes

*Question*
Fact 1: Food consists of organic molecules that store energy in their chemical bonds. Fact 2: Food is the ideal source of nutrients. Given the two facts above, answer the question "What consists of organic molecules that store energy in their chemical bonds?" with the following options: - source of genes - source of information - source of water - solid, liquid, gas - source of nutrients - vegetation - by making heat - Organic compounds
**Answer**
source of nutrients

(Q).
Fact 1: Running water is better able to dissolve oxygen and nutrients than standing water. Fact 2: Streams and creeks provide running water. Given the two facts above, answer the question "What are better able to dissolve oxygen and nutrients than standing water?" with the following options: - stagnant lakes - sedimentary rocks - peachleaf willow - hydrocarbons - streams and creeks - stagnant ponds - ice cubes - Veins and arteries.
(A).
streams and creeks