What percent of blood is made up of plasma? 55%40%10%5%

55%

Step-by-step explanation:

The blood that runs through the veins, arteries, and capillaries is known as whole blood, a mixture of about 55 percent plasm

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation: