Which new type of bacteria was introduced to Patient 23's gut microbiome? What effect do you think this new bacteria will have on Patient 23’s overall health?

The ph of your mouth is very similar to that of stomach. true or false?

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

What property of an object determines its inertia?