6. A 25 kg mass or a 30 kg mass going 5 m/s.

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.

for a different answer set the answer would be because the oxygen in the water had depleted (apex)