Study the image of this rock. Which word best describes the rock’s grain shape?

the index of refraction of the second medium is higher. i just took the test trust me !

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.

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.