Coal is used for generating heat by burning, and coal releases mercury when it is burned. Given these facts, what can release mercury into the atmosphere? among the following options: - smoking tobacco - hydrogen and oxygen - flow of electrons - cigarettes - chemical reaction - an engine - generating heat - one celled organisms
generating heat

Plants are the major producers in terrestrial biomes, and biomes are global ecosystems. Given these facts, plants are the major producers in terrestrial what among the following options: - important habitats - weeds - consumers - Earth orbiting the Sun - oceans - our planet - global ecosystems - vegetation
global ecosystems

Q: Immunity results from immunization, and results underline the benefits of such vaccination policy. Given these facts, vaccination policies have benefits to what among the following options: - herding - government policies - evolution - animals - health - immunity - babies - protect them
A: immunity

Question: Blowing air into a whistle causes air to vibrate inside the whistle, and if the persist, blow a whistle loudly into the mouthpiece. Given these facts, blowing and causing air to vibrate makes what among the following options: - expand - evaporate - kinetic energy - waves - Energy. - combine - loud noise - energy
Answer: loud noise

*Question*
Alight bulb is used for seeing in the dark, and light is emitted by a light bulb. Given these facts, what is emitted light used for among the following options: - electricity - To see in the dark. - activation energy - heat energy - kinetic energy - an electron microscope - major threat to health - Electrical energy
**Answer**
To see in the dark.

Q: Soil erosion means soil loss through wind, and hurricanes are made of wind. Given these facts, what is soil erosion among the following options: - enormous damage to homes - movements in the earth's crust - soil regrowth - massive damage - soil fertilization - soil loss through hurricanes - soil loss through human works - fissures of hot, acidic water
A: soil loss through hurricanes