All life relies on a relatively narrow range of pH, or acidity, and acids and bases are a part of everyday life. Given these facts, what substances are relied on for life among the following options: - magma - plants - poison - food - oxygen - fat - bases - battery acid
bases

Sinkholes are formed by precipitation, and eventually, the sinkhole collapses into cavern. Given these facts, precipitation filling an underground void can create what among the following options: - clouds - soils - cavern - electricity - mountain - rain - rivers - flooding
cavern

Q: Most invertebrates have a more complex nervous system, and cephalopods have the most advanced nervous systems of all invertebrates. Given these facts, what type of nervous system do Cephalopods have among the following options: - organ - automatic - nerves - sensory - three - sweating - complex - brain
A: complex

Question: Awarm front causes cloudy and rainy weather, and stratus clouds are associated with a warm front. Given these facts, stratus clouds are associated with cloudy and what type of weather among the following options: - cold - Winter - rainy - good - Pacific - ligt - mild - similar
Answer: rainy

*Question*
An automobile engine transforms chemical energy into mechanical energy, and mechanical energy is the energy of moving objects. Given these facts, an automobile engine transforms chemical energy into what among the following options: - driving - Greenhouse gases - moving objects - Something to move - meals on wheels - bricks on streets - vehicles - cars on bricks
**Answer**
moving objects

(Question)
Unequal heating of Earth 's surface by the Sun causes global wind patterns, and wind is air that is moving across the surface of Earth. Given these facts, what does uneven heating of earth's crust cause among the following options: - force - harm - Rain - Snowstorm - cracks - Wind - Injury - Hurricanes
(Answer)
Wind