B is between a and c. If ab = 2(x+1), bc = 3x+1, and ac = 4(x+2), find the value of ac

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

What are some of the impacts of humans on the earth?

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration