Weegy: Water boils at a temperature of B. 100 degrees on the Celsius scale. User: The coldest layer of the atmosphere is the
D. troposphere. Weegy: A. Mesosphere User: What gas do plants give off in the process of photosynthesis?
D. Carbon dioxide
Weegy: Plants give of the OXYGEN gas during photosynthesis. User: Which one of the following is in ... (More)