Chemical weathering would be the oxygen reaction.
Answer:
true is defined sustain development for first time
Most of China’s ancient civilizations are hard to find mainly because of the harsh land scapes around mountains. And other areas.
Answer:
Their months are based on observations of the lunar cycle, with intercalation being used to bring them into general agreement with the solar year. ... Synodic months are 29 or 30 days in length, making a lunar year of 12 months about 11 days shorter than a solar year.
