1.What is the term used to describe the energy needed to get a reaction started?

1.What is the term used to describe the energy needed to get a reaction started?a. adhesion energyb. activation energyc. cohesion energyd. chemical energy2.What might cause a theory to change over time?a. New laws passed by the governmentb. New but untestable ideasc. Changes in public opiniond. The discovery of new evidence3.What might happen if a cell did not have any ATP?a. It would not have enough energy to carry out passive transportb. It would not have enough energy to carry out active transportc. Its transport proteins would be made of carbohydrates insteadd. Its cell membrane would no longer be semi-permeable4.What types of environmental conditions can denature a protein?a. pH time solute concentration temperatureb. pH salinity solute concentration temperaturec. pH time solute concentration temperatured. time salinity solute concentration temperature