What do you think is the reason why it is peaceful to stay inside a bedroom with thick hung curtain than in bedroom without curtains? EXPLAIN YOUR ANSWER please answer this correctly i need it asap

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical