The answer is powerful Chemical. Powerful chemical like
nuclear power can potentially give accidents, generation
of plutonium, limited uranium supply, cost, radioactive waste. Though
there are also advantages of using nuclear power like 1 kg of enriched nuclear
fuel produces 2 million times the energy in 1 kg of coal.
True. Radioactive wastes can decay in days or it can take up to millions of years.
The greenhouse effect is related to the increase in the average surface temperature which is considered "global warming". Global warming is the result of an increase in gases like methane, carbon dioxide, and other factors that lead to a rise in the planet's temperature.
Answer:
The solution slowly descends into the cave and deposits the dissolved calcium carbonate, sometimes including impurities of iron and other minerals. On reaching the cave, the water droplets fall to the floor, leaving behind a tiny deposit of calcite crystal.
Explanation:
