Bohr's model treats electron energy levels as clearly defined orbital paths around the nucleus like planets orbit the Sun. The cloud model treats the energy levels as probability clouds, regions in which electrons are likely to be found.
Just like sedimentary rocks, metamorphic rocks can be forced to the Earth's surface too. All this movement can cause rocks that were once underground to be brought up to the Earth's surface. This process is called uplift. Once exposed to the elements the rock on the Earth's surface begins to weather and erode.
Answer: A. Plant
Explanation:
Plants have some of the most of complex cells of living organisms because they have different roles and structures to enable the plant to survive.
These include cells like the Parenchyma, Collenchyma, Sclerenchyma, Xylem and Phloem cells. Xylem cells for instance are complex cells located within the vascular tissues of plants and help transport water and minerals to the rest of the plant from the roots. Xylem cells look long and tracheal which is to enable them carry out the aforementioned roles.
It has to be confirmed through scientific tests in a lab.
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