The answer is to be honest all of them. <span>Common marine animal fossils found in various continents, Matching coastlines of Africa and South America, That most earthquakes occur along a plate boundary, and Oceanic ridge near a divergent plate boundary. all show ways that the continents could have separated.
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Answer:
The rate changes over time because once the molecules reaches equilibrium diffusion slows down.
Explanation:
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In the dicot stem, the vascular bundles are arranged in a ring, with pith concentrated at the core of the stem, rather than being scattered throughout the plant interior. In each vascular bundle, the xylem and phloem are separated by a substance called vascular cambium.
The main difference is the way how the three of those cycles are performed. For example, as nitrogen is abundant then it cannot be used by plants or animals in its gas form. The Carbon cycle does not need an especial process like the one of the Nitrogen. Plants can take carbon dioxide and is used for the photosyntesis process. All three cycles are found in soil. Oxygen cycles recycles the oxigen.