The increase in total benefit that results from carrying out one additional unit of an activity is the

Rotation of the head is made in atlanto-occipital joint or not?

What does a ph level of 9.9+ on smart pill test monitor mean

Iused st ives green tea face scrub and washed it off, but i got a tiny taste of something when i licked my lips 30-60 seconds later? it's not likely that i actually swallowed anything, right? or that this will make me sick?