Which goods were sent from the Old World to the New World as part of the Columbian Exchange? Check all that apply. cattle chocolate coffee horses potatoes sugar tobacco

If the age of the lowermost layer of a rock sample is more than 2 million years, which of the following could be the age of the upper layers? less than 1 million greater than 3.5 million between 2 million and 3 million between 3 million and 3.5 million