- The filter has small pores to catch pollutants - The filter will catch chlorine, heavy metals, and other chemicals - The filter allows water and mineral ions like fluoride to pass through - The water on the other side of the filter is much cleaner - What might be the first step of the process?
Ans: Water comes through a filter

- The oil is transported to stores - Oil is purchased by homeowners - Oil is placed into a stove in the house - The oil is lit on fire, and burns for a long time - The warm air off of the oil travels through the house - What might be the first step of the process?
Ans: Oil is gathered through mining operations

- The gases come to a head and push molten magma to the surface - The magma cools - With enough time the pressure builds up greatly - The resulting volcano may explode. What might be the first step of the process?
Ans: Gases cause pressure beneath the earth

- They are born and are a baby - The baby grows into a child - Puberty turns the child into an adolescent - The adolescent becomes an adult - An adult becomes an elderly person - The elderly person dies. What might be the first step of the process?
Ans: There is a fetus in the womb