Indica como se designa a percentagem de volume ocupado pelos eritrócitos no volume total de sangue

Which one of the following causes people to go through a cycle of losing weight, gaining it back, then lose it again

What factors are contributing to the increase in obesity among children?

Zoom out so that you can see the whole state of california. select the ruler tool again, but change the type of measurement from line to path. create a path from san francisco to las vegas, to los angeles, to san diego. what is the total length of this path in kilometers and in meters?