If using a bike saves energy, then riding a bike reduces what? Answer choices: - energy usage - Greenhouse gasses - acid rain - harmful substances - Greenhouse gases - temperature - prolactin release - storms
energy usage

If chlorophyll is used for absorbing light energy by bushes, then what uses chlorophyll for absorbing light energy? Answer choices: - Oak - bushes - humans - Conifers - insects - h2o - cells - organisms
bushes

Q: If an animal that has five hearts is an annelid, then one example of an annelid has how many hearts? Answer choices: - three - Five - white - warm - four - strong - long - small
A: Five

Question: If cells secrete electrolytes to maintain the proper pH for enzymes to work, then what do cells secrete to maintain the proper pH for enzymes to work? Answer choices: - Energy - Chemical energy - water conservation - sweating - heat energy - aqueous solution - Organic compounds - electrolytes
Answer: electrolytes

*Question*
If asolution is formed when a solvent dissolves a solute, then what is created when a solvent dissolves a solute? Answer choices: - Solutions - salinity - sugar - Condensation - an object - Heat energy - Energy. - energy
**Answer**
Solutions

*Question*
If venus is unlikely to be able to sustain life because of a runaway greenhouse effect, then the runaway greenhouse effect present on Venus makes what unlikely? Answer choices: - carbon in the atmosphere - bloom time - Animal survival - robotic landers - sustainable life - Plant reproduction - population movement - sunlight at the surface
**Answer**
sustainable life