During the early earth, when photosynthesis has not yet evolved, there were only negligible amounts of free oxygen in the atmosphere. It was said that the Earth's atmosphere had no free oxygen then. This is about 3.5 billion years ago.
It can ruin the land or the beauty of the place, disrespects the people living there??
i think its <u><em>A)high, craggy mountains</em></u>
Answer:
erosion affects not only economic development but climate changes, because the process of soil erosion releases carbonium ions into the air, while carbon dioxide is the primary cause of global warming
Explanation: