Q4: Manual chewing of food is not enough in order to break down food, enzymes in the saliva and other parts of the body do what? * 10 points Used to lower the activation energy needed for a chemical process They speed up the rate of chemical reactions allowing more productivity They help break down various sugars that can then be absorbed All of the above

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact use of manure and other organic fertilizers reduction in population of birds use of pesticides in farms increase in bird population in nearby wetlands impact of human activities human activity impact use of manure and other organic fertilizers reduction in animal population use of pesticides in farms increase in population of native insects and bugs impact of human activities human activity impact use of plastic decrease in marine animal population removal of beach grass increase in pollution of ocean impact of human activities human activity impact use of plastic increase in fish population removal of beach grass decrease in sand erosion