The answer is 2. The fact that mechanized agriculture has replaced manual labor. Hope this helps :)
Answer:
Explanation:
Most divergent plate boundaries are underwater and form submarine mountain ranges called oceanic spreading ridges. While the process of forming these mountain ranges is volcanic, volcanoes and earthquakes along oceanic spreading ridges are not as violent as they are at convergent plate boundaries.
The correct statements are:
A. Environmental protection efforts affect the quality of our lives..
B. Environmental protection efforts today will affect the future generations..
The concerns about the protection of the environment are growing bigger as the years pass by because there's bigger and bigger damage done to the environment every passing year. It is also very hard because the United States have a very large population, and not just that, but it is also increasing relatively quickly, and that just makes it even harder to make a proper balance between the environment and the people's needs.
However, as much as it is possible, there has to be big efforts made in the protection of the environment because we are dependent on it for starters, so the more damage we make to it, the more damage we make to ourselves. Also, there has to a vision for the future and what kind of a world will be left for the future generations, so implementing measures for protection and strict laws as well are crucial for the well-being of both sides.
Answer: The answer is C). Nitrates
Explanation: Animal wastes and nitrogen-containing fertilizers are used to grow plants and they contain nitrates. Nitrogen exists naturally in soils, typically bound to organic matter and mineral soil material. When these fertilizers are used, they increase the concentration of nitrates in the environment, especially in the soil.