Answer:
accelerate: increase in amount or extent, the car began to accelerate
crucial: of great importance, the mission was crucial
inhospitable: harsh and difficult to live in, the desert was inhospitable
mere: that is solely or no more or better than what is specified
pioneer: a person who is among the first to explore or settle a new country or area, Amelia Earhart was an airplane pioneer
Explanation:
Hope this helps!
