Answer:
D. were widespread due to many low-lying land masses.
Explanation:
Cambrian Period was the first geological period of the Paleozoic Era, it occurred between two ice ages; Proterozoic and Ordovician. During these era, there were mass extinctions due to the decrease in global temperature.
Cambrian seas were widespread due to many low-lying land masses.
C I’m positive and it’s logical
Answer:
Chemical weathering is different from mechanical weathering because the rock changes, not just in size of pieces, but in composition. ... Chemical weathering works through chemical reactions that cause changes in the minerals.
Most populated city is Tokyo and most populated country is China