Explain two advantages of bottom up development projects

The advantage of bottom-up planning is that the team members, i.e. the people who are actively working on the project, have a say in the project planning and decisions are made collaboratively. This will improve team communication and team building, and also empowers the team members.

Explanation:

hopes this helps =)

answer; (d) melting of sea ice;

d is the logical answer but im not a 100% sure