How does smart growth help fight urban sprawl

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

How can you use a maps legend to plan your travel

The standard deviation of a population is 3.2.what is the margin of error? enter your answer in the box.