Fact 1: Burning fossil fuels increases the carbon in the atmosphere. Fact 2: Fossil fuels are not sustainable fuels. Given the two facts above, answer the question "What sort of fuel burning puts carbon into the atmosphere?" with the following options: - Greenhouse gases - Organic compounds - vehicles - Pollution - non-sustainable - chlorofluorocarbons - Conifers - an engine
non-sustainable

Fact 1: Creating paper requires cutting down trees. Fact 2: Trees clean and cool the air. Given the two facts above, answer the question "What does creating paper do?" with the following options: - duplicate itself - Makes the air dirtier - Makes food - Cleans the air - converting electricity to heat - to move people - Plant growth is reduced - Lengthens tree life
Makes the air dirtier

Q: Fact 1: Consumers take in food by eating producers or other living things. Fact 2: Producers gain in terms of producer surplus. Given the two facts above, answer the question "what can take in food by eating those that gain in terms of surplus?" with the following options: - rabbit - Energy - animals - those who don't eat - insects - producers - dead beings - consumers
A: consumers

Question: Fact 1: Glucose is used for energy by the cells of most organisms. Fact 2: For instance, glucose is a sugar. Given the two facts above, answer the question "What is used as energy by most organisms?" with the following options: - sodium - water - energy. - food - sugar - Energy - solutes - light
Answer: sugar

*Question*
Fact 1: Stalactites are formed by deposition. Fact 2: Limestone caves displaying stalactites. Given the two facts above, answer the question "How are limestone caves formed?" with the following options: - less water - Depositions - They're manmade - erosion - Water expanding - Thunderstorms - They're made by animals - rainfall
**Answer**
Depositions

(Question)
Fact 1: Adult echinoderms have radial symmetry. Fact 2: Echinoderms are spiny skinned animals found only in marine environments. Given the two facts above, answer the question "Adult spiny skinned animals found only in marine environments have what?" with the following options: - sensory neurons - to stay warm - Animal survival - extra brains - aerobic capacity - eight eyes - asymmetrical axis - radial symmetry
(Answer)
radial symmetry