In the video your blood is compared to a picks up CO2 to be released out when you breath
that delivers oxygen to your body and picks up CO2 to be released out when you breath. PLEASE I NEED A ANSWER

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .