Fact 1: Most people can survive only a few days without water. Fact 2: Water is everywhere H20. Given the two facts above, answer the question "Most people can survive only a few days without what?" with the following options: - carbon dioxide - oxygen - h2o - H20 - NaCl - CO2 - soda - urea
H20

Fact 1: Carbon dioxide concentrations in the air have increased over the last decade dramatically. Fact 2: Carbon dioxide is the chief culprit in the increased threat of global warming in recent decades. Given the two facts above, answer the question "What has led to the increase in global warming?" with the following options: - Greenhouse gases - movements in the earth's crust - Increase in carbon dioxide - Greenhouse gasses - forest is destroyed - Burning fuel and air - movement of tectonic plates - tectonic plates being pushed together
Increase in carbon dioxide

Q: Fact 1: Disease-causing microbes have a negative impact on the body. Fact 2: Pathogens are microbes that cause disease. Given the two facts above, answer the question "what has a negative impact on the body?" with the following options: - pathogens - electrons - smallpox - amoebae - vitamins - lungs - viruses - smoking
A: pathogens

Question: Fact 1: Cancer is a disease in which cells divide out of control. Fact 2: Cancer is also caused by a mutation. Given the two facts above, answer the question "What can mutations lead to in which cells divide out of control?" with the following options: - Smoking - resistance - a disease - viruses - AIDS - bacteria - Leptospirosis - cigarettes
Answer: a disease

*Question*
Fact 1: Producing thrust causes something to move. Fact 2: An engine is needed to provide the thrust for forward motion. Given the two facts above, answer the question "causing something to move can need what?" with the following options: - heat energy - a disc - a meal - energy - an engine - voltage - a stick - arteries
**Answer**
an engine

*Question*
Fact 1: Nitrogen is found in proteins, nucleic acids, and chlorophyll. Fact 2: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms. Given the two facts above, answer the question "What is found naturally in the air and soil, and in living organisms?" with the following options: - solid, liquid, gas - Something with a head, thorax, and abdomen - metabolic reaction - protein,nucleic acid,chlorophy - Chemical energy - Greenhouse gasses - By wind and rain - sub-units of species
**Answer**
protein,nucleic acid,chlorophy