One can go into environmental policy and lobby new legislation. in physics you can be a physicist. if you go into chemistry you can work for the government in a lab. etc.
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the structural layers of earth are - the crust, the mantle, the outer core, and the inner core.
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Mechanical weathering breaks rocks into smaller pieces without changing their composition. Ice wedging and abrasion are two important processes of mechanical weathering. Chemical weathering breaks down rocks by forming new minerals that are stable at the Earth's surface.
Many plants are able to propagate themselves using this method, the asexual reproduction. this method has two main types, which is the vegetative reproduction and the apomixis. vegetative reproduction results in new plants individual without the production of seeds or spores.