Answer:
The respiratory and circulatory systems, for example, work together to provide oxygen to cells and remove carbon dioxide produced by the cells. The circulatory system takes oxygen from the lungs and delivers it to the tissues, then reverses the process with carbon dioxide.
Answer:
Synoptic means "view together" or "view at a common point". A synoptic weather map shows weather patterns over a large area by putting together many weather reports from different locations all taken at the same moment in time.
After new moon it is waxing crescent
So False
Zinc and petroleum would be the best aswer.