A simile can be found when using "like" or "as" between two things. Example: I'm as happy as a clown.
Your question would be a metaphor. Both things are being compared to a science expieriment, probably meaning that they need to have an outcome, but it isn't known for sure if it will be a good or bad outcome.
Things like this can be taken many ways, so if you think something else, I'm sure it would work as well.
Answer:
This is an opinion, so there is no right or wrong. However, here are some pointers:
If you think it should be lower than 35, talk about how being younger could possibly give more opportunities, make the country more modern, etc.
If you think it should be higher than 35, talk about how being older can make sure the president is well-established and experienced, can make the country more stable, etc.
Hope this helps.
Answer:
Teenage pregnancy has cause girls to have low self-esteem
Early drop out of school
Cause high poverty in the country
Has congestion of people in the settlement
Has cause poor health
Has cause infertility of babies
Answer: Chronological Order.
Explanation: Because it shows the order of which things happened. The other ones don’t make sense at all, if you think about it.