Question: Process: - People breathe and expel carbon dioxide - Engines produce carbon dioxide - Living things produce waste - Waste decomposes - Decomposition produces methane - Water evaporates - Water vapor joins the atmosphere - Carbon dioxide, water vapor and methane are greenhouse gases - Question: suppose extreme changes to the climate happens, how will it affect more waste decomposes. - A: more - B: less - C: no effect
Answer: C

Question: Process: - Particles in the environment interact with rocks - The particles remove small pieces of the rock each time they touch the rocks - The particles continue to hit, brush against, or grow against the rocks - The rock eventually is broken apart by this contact - The pieces of the rock are now small rocks - The rock pieces are worn away into smaller and smaller pieces by the same forces - Question: suppose rocks move faster happens, how will it affect LESS or SLOWER erosion of rocks. - A: more - B: less - C: no effect
Answer: B

Question: Process: - Skin is cut or damaged - Bacteria enters through the wound - The bacteria reproduces and spreads - Causes symptoms - The bacteria is either fought off or becomes a disease. Question: suppose The wound is not kept clean happens, how will it affect More bacteria enters the wound. - A: more - B: less - C: no effect
Answer:
A