Most gastrointestinal tract diseases are ultimately self-limiting and nonfatal, so long as fluids are replaced. How do these two general observations help explain why such diseases so commonly affect humans all over the world? Why do these disease characteristics help explain why so many different pathogens cause this disease?

The bacteria found in a soil is usually harmful and measure are taken to remove any traces of microorganisms 1. true 2. false

What is the name of the two satelites on mars

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.