Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature? Dry ice undergoes sublimation, an endothermic change, at room temperature. Dry ice undergoes deposition, an endothermic change, at room temperature. Dry ice undergoes sublimation, an exothermic change, at room temperature.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Which planets are visible without a telescope

0.5 kg of silver increases temperature from 0 celsius to 7 celsius when heat is added how much heat energy produced this change in temperature