When comparing the Earth's temperature between 1960 and 2020, how much has the temperature changed? O Increase by 3.0 degrees Celsius
O Increase by 0.5 degrees Celsius
Decrease by 1.0 degrees Celsius
Increase by 1.0 degrees Celsius

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

What reaction is taking place? 02 + c3h8 = h20 + co2

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?