The longest vein in the body is the
a. superior vena cava.
b. inferior vena cava.
c. hepatic portal vein.
d. great saphenous vein.
e. femoral vein.

Select the word from the list that best fits the definition a system made of 25 satellites

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

Modern computers can store about as much information as the human brain. true false its false i took the test