A vaccine uses a live pathogen that is too weak to make you sick. Once it enters your body you defeat it easily. Now that yur body is familiar with it your body can fight off the disease in the future.
1 and 5, Solvent, and yh I am not sure but I think so
There are no various sorts of bacterial provinces in Anna's example. Just Serratia marcescens was discovered in light of the fact that the microorganisms in the specimen all had a similar shape and size. Microbiologists need to detach bacterial provinces from an example to have the capacity to take a gander at what sorts of microscopic organisms are in the example.
Answer:
Particles need to collide in order to react. Which best explains why sawdust burns more quickly than a block of wood of equal mass under the same conditions? The molecules move more quickly in the sawdust than in the block of wood. The pressure of oxygen is greater on the sawdust.