you mix solution a with a solution b in a beaker. which of the following observations does not help you prove that a chemical reaction has occurred

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

Pls i will do pls imma diewhat forms white light? (4 points)a. combination of all wavelengths of ultraviolet light b. combination of all wavelengths of visible lightc. absorption of electromagnetic waves d. absorption of infrared rays

Determine the length of the object shown. 97.8 mm 97.80 mm 97 mm 98 mm