The best improvement to these instructions that Keisha can make
immediately and easily is to describe where the instructions start from.
Does the route start from Keisha's house? From her friend's house?
From my house ?
Knowledge of the coordinate reference frame makes a big difference,
and it's essential.
The hydrochloric acid in the stomach helps protect against disease because it kills many microorganisms and toxins in food.
The answer is D. You are welcome.
The role of species in an ecosystem, consisting of such things as what it eats, when it eats, and where it lives is niche.
I believe all of the above!