What problems might be seen if glaciers and ice caps worldwide continue to melt? A global levels of sea water might increase
B. global surface temperatures might increase
C. global levels of sea water might decrease
D. global levels of fresh water might decrease

Afarm grows soybean and produces chickens. the opportunity cost of producing each of these products increases as more of it is produced. draw the? farm's ppf. label it ppf0. the farm adopts a new technology which allows it to use fewer resources to fatten chickens. draw a ppf that illustrates the impact of the new technology. label it ppf1.

Which of the following is one of the most common causes of collisions? a. driving on the wrong side of the road b. driving too slowly uphill c. tailgating d. eating while driving

The sun a. will become a red giant within two to three million years b. is in its main sequence, which willlast thousands of years c. is in its main sequence, which will last billions of years. d. will explode as a supernova after its main sequence