The movement of both oxygen and carbon dioxide in the body is accomplished by ___. a. diffusion
b. endocytosis
c. exocytosis
d. osmosis

Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?

Why does a collision with an airbag cause less damage than a collision with a steering wheel