I don't think that there is an antonym for drift wood, yet there is a lot of synonyms.
To solve for <em>m</em>, you must isolate it. To do this, you divide both sides by <em>a</em> <em />so that your final answer is m=f/a
I believe the answer is Pupils narrow
When people are confronted with stressful situations, our pupils will dilated, not narrowed.
When this happen, our body will enter a fight-or-flight situation, which would be determine on our personal assessment towards whether we could handle the outcome of the situation.
Answer:
Adaption to the land and its resources
Explanation:
migrants and their descendants pushed south and east, adapting as they went.