The atmosphere helps us breathe,it provides a shield(radiation shield), a security blanket to keep us warm, and last but not least weathering the storms.
Answer:
<em>New food and fiber crops were introduced to Eurasia and Africa, improving diets and fomenting trade there. In addition, the Columbian Exchange vastly expanded the scope of production of some popular drugs, bringing the pleasures — and consequences — of coffee, sugar, and tobacco use to many millions of people.</em>
I’m pretty sure the 2nd one
She came from a poor background. she was poor and sexually abused. and now she is a motivational speaker who inspires all