The answer to the question is 4.5
Answer: Plants perform photosynthesis more efficiently when carbon dioxide is abundant. This in turn reduces the amount of carbon dioxide in the atmosphere and increases the amount of oxygen
The study of geography is also about the way humans and animals interact with their environment and surroundings
Tropical climate. It is also the oldest biome in the world.
I was looking for certain numbers, (how many % of species live there) but couldn't find any :(