The ph of coffee is close to 5 and that of pure water is 7. this means that

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

Compare and contrast physical changes with chemical changes.

How does blood clotting prevent the entry of pathogens through cuts and wounds? answer asap,, this is due tomorrow. will mark as brainliest or whatever you call it : )