Answer:
The Decembrist Revolt had biological warefare.
Are there any options for this question?
Answer:
Renewable energy
Explanation:
Costa Rica is a nation that has prioritzed renewable energy, mainly because of two reasons: Costa Rica lacks abundant fossil fuel resouces, and secondly, because the nation has important sources of renewable energy: hydropower, wind power, solar power, and even geothermal power.
In fact, in the year 2016, over 98% of Costa Rica's energy was produced from renewable sources, which is one of the highest figures in the world.