Hello there! do you have any choices? if so would you please add them.
Explanation: this experiment is long term which means patience is compulsory. you need to have a wild sloth and a domesticated sloth adopted right at their birth (he should be in a controlled environment that mimics the wild). your domesticated sloth shouldn't have the algae. at their middle age, you should compare them with them from every aspect.
Answer:
Non-engineered/owner-build structures are more vulnerable because they can be poorly built. Without proper knowledge to build the right structure, the structure is more at risk of abnormalities or destruction from hazards such as rain, hail, strong winds, and debris.