What are the factors that influence the effectiveness of chemical sanitizers?
✅Concentration
✅ Temperature
✅ Contact time

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If a swimmer is traveling at a constant speed of 0.85 m/s,how long would it take to swim the length of a 50m olympic sized pool?

Which choice best describes the general trend for the countries shown, for the period 2008 - 2010?

What recommendations would you give to your local community to to decrease the local effects of human impact on the environment? list 2 recommendations and how they will positively impact your community. 3. what recommendations would you give to the global governments to decrease the global effects of human impact on the environment? list 2 recommendations and how they will positively impact our planet.