Answer:
A team of Florida State University scientists has discovered that chemical weathering, a process in which carbon dioxide breaks down rocks and then gets trapped in sediment, can happen at a much faster rate than scientists previously assumed and could potentially counteract some of the current and future climate change
Explanation:
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The correct answer is - B. pull factor.
The intervening opportunity is considered as a significant pull factor for someone to migrate to a certain place. The pull factors are essentially things that are attracting someone to a certain place, thus migrate to that place because of the better living conditions in multiple aspects.
Intervening opportunity is the opportunity for settling at a certain place, less by distance or population pressure, at least at the starting point of the settling.
culture is a word for the 'way of life' of a groups of people, meaning the way they do things.
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