Describe how the types of vegetation present on this farmland would change if a fire burned down all the
trees 120 years after the land was abandoned.

Since you provide no further information, The types of vegetation that would exist after a fire burn down are those who are typically unaffected by the change in topography and left substances (such as carbon) after the fire. Some example of these vegetations are :  Pines and Giant sequoia

Six amino acids have side chains that are polar but not charged. these are serine (ser), threonine (thr), cysteine (cys), asparagine (asn), glutamine (gln), and tyrosine (tyr). these amino acids are usually found at the surface of proteins, as discussed in the proteins 2 module.

What are the choices?