I think its either b or a mostly a though hope this helps!!
Evolution and variety are the outcome of long-term interactions between organisms and their surroundings, as well as the repercussions of those interactions. Species adapt to their habitats through time, and the range of environments available encourages a diversity of organisms that have adapted to them.
Answer:
she works with NASA on science programs
I am not sure but maybe he wanted to make things suspenseful and make new problems and conflict
You want to make a persuasion on the reader. You want them to believe that you deserve this scholarship. With the scholarship, Mention why you deserve it, such as personal achievements and business achievements. Also mention what makes you different compared to other applicants such as skills learned or earned, ex: fluent in French. Another thing that might stand out on certain scholarships is if you have volunteered. Mention what you have done to improve the community around you or around the world, such as working with a church group or volunteering at a nursing home. Overall, Those who are handing out a scholarship want to hand it to someone that is deserving and that they know will strive to achieve excellency.