A higher temperature gradient causes faster heat transfer, and thus faster convection currents. If the core were cooler, the temperature gradient would be lower, so the convection currents would likely slow down.
Sedimentary would be correct because fossils are formed by the burial of sediments!
The synthesis of new proteins
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Employment opportunities tend to improve because trade liberalization leads to market expansion, technology sharing and cross-border investment flows. Political cooperation among countries can improve because of stronger economic ties, which can help resolve conflicts peacefully and lead to greater stability.