What was the average areo of ocean with at least 15% of sea icew?

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Read the article titled "does the family farm really matter? " what reasons does this article suggest are the causes of the movement away from family farms to larger farms? (site 1 someone fast

What has been a consequence of human economic development in advancing nations? a) subsistenceb) conservationc) photosynthesisd) pollution