tommorow is the last day of school and i might not pass i failed 1 class so im scared and need confidence

Awatershed is a piece of land that drains water into a particular stream, lake, or river. which of the following factors often negatively impacts the water quality in a watershed? a.) wetlands b.) pollution c.) irrigation d.)rainfall

What two properties affect the density of ocean water

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