Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain, and coal-fired plants Are power stations which burn coal to generate electricity. Given these facts, power stations which generate electricity produce gases in the atmosphere cause what among the following options: - drought - Pollution - storms - Temperature - heat - contamination - acid rain - climate
acid rain

Cells vary in size as well as shape, but all cells are very small, and atoms are tiny particles that are too small to see. Given these facts, what size are cells among the following options: - either huge or tiny - non existent - dense - large - white - tiny - dead - albino
tiny

Q: Viruses often infect bacteria, and bacteria are normally classified as either 'good' bacteria or 'bad' bacteria. Given these facts, how many types can viruses infect among the following options: - mice - pigs - bird - RNA - ova - tiny - HPV - Two
A: Two

Question: If an animal lives under ground then that animal will be protected from a wild fire, and moles construct a series of tunnels in the ground. Given these facts, what are protected from wild fires among the following options: - moles in tunnels - most organisms - some invertebrates - one celled organisms - raccoons in brush - rabbits in fields - squirrels in bushes - Most plants
Answer: moles in tunnels

*Question*
Mutations that lead to cancer usually occur in genes that control the cell cycle, and radiation destroys cells and can cause genetic mutations. Given these facts, which of the following can cause cancer among the following options: - Birth defects - Smoking - cigarettes - radiation - Malnutrition - Pesticides - rays or beams - cancer pills
**Answer**
radiation

Q: The movement of tectonic plates causes volcanic eruptions, and time and again, volcanic eruptions have destroyed cities, regions, even entire countries. Given these facts, what can the movement of tectonic plates do among the following options: - to move people - threatened - Destroy cities - Prevent shaking - Create people - Build bridges - erosion - Movement
A: Destroy cities