What is the outermost layer i earth called?

Using complete sentences, outline two specific examples of how technology advances make the world seem smaller.explain what it means to say the world is “shrinking”

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

Which of the following lists shows the events in the correct order? a.)the creation of the british raj, the sepoy rebellion, gandhi’s campaign of civil disobedience, the partitioning of indiab.) gandhi’s campaign of civil disobedience, the sepoy rebellion, the creation of the british raj, the partitioning of indiac.)the sepoy rebellion, the creation of the british raj, gandhi’s campaign of civil disobedience, the partitioning of indiad.)gandhi’s campaign of civil disobedience, the creation of the british raj, the partitioning of india, the sepoy rebellion