Answer:
Human activity is the main cause of climate change. People burn fossil fuels and convert land from forests to agriculture. ... Burning fossil fuels produces carbon dioxide, a greenhouse gas. It is called a greenhouse gas because it produces a “greenhouse effect
Answer
When the Organism dies, while the body becomes part of the soil(Decomposition), there is still Carbon that is trapped in the organism, so eat time something new from the body gets exposed, Carbon is released.
Explanation:
There are pockets that are in your body that hold air, and when we die, and those areas that are holding the air pockets become exposed while the decomposition, the Carbon gets released out of the body and into the air.
When the price per square meter is high, real estate companies will build higher buildings, resulting more densely populated cities. When land is cheap, as in smaller cities and villages, people tend to build lower buildings and therefore cities will be less dense.
Based of the map, you can infer that it's D because if you look the rivers are running through multiple countries and act as a border for the countries of Germany, Austria, Hungary, etc.
hopefully this helps