On a coordinate plane, line A B goes through (negative 2, 4) and (0, negative 4). Point Z is at (0, 2). Which point is on the line that passes through point Z and is perpendicular to line AB?

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.

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C. the closest point in the moons orbit to earth.