What are the three primary colors for light addition? What colors appear when light of only two primary colors are shone on a white screen? How would the color purple be produced?
What will be an ideal response?
The three primary colors are red, green, and blue. When two primaries overlap, the resulting color is the complementary color of the third primary color. When red and green overlap, for example, the color produced is the complement of blue, which is yellow. A TV set produces purple by adding red and blue lights.
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What is a similarity between oceanic and continental crust?
A) density B) depth C) composition of the mantle underneath D) composition of the crust
Hurricane-generated tornadoes
A) are most common in the left-forward quadrant of the hurricane. B) are formed in part by the force of friction on the hurricane's winds. C) typically last longer than other types of tornadoes. D) cluster around the center of the hurricane.
Which of these properties of water is one which makes it such a good solvent?
A) its boiling point B) its high specific heat C) its high surface tension D) its hydrogen bonding ability
The local rise in sea level during a storm is called the _______________
Fill in the blank with correct word.