Which of the following is not an effect of erosion on lakes?
a. water leakage
b. wearing away of sides
c. increased water levels
d. basin filling with sediment

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

8. is a technique that uses the images from several telescopes to produce a single image. a. reflection b. interferometry c. radiation d. refraction

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed