Think about all the facts that you have learned about the five different student projects. Think about the different parts of each project, including how well each one cleaned the water, how much it cost, and how it affected biodiversity. Answer the questions using the work you have completed for this project.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: