Mechanical digestion occurs in the what?

Someone with my pe hw i need it for tomorrow

Is it bad to eat a whole cake and tub of ice cream by your self (doing it rn and my mom yelled at me)

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?