What is the primary reason for the seasons on the earth (spring, summer, fall, and winter)?

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 does the map above tell us about the endemity of typhoid fever

Which of the following are good safety measures during a thunder storm. a.) crouch with just the balls of your feet in contact with the ground. b.) rely on rubber-soled shoes to protect you. c.) stand under a tree. d.) go inside a closed building. e.) talk on a phone with a cord.