They emit b) more radiation compared to cooler objects.
This is because hotter objects have more kinetic energy (in order for the particles to vibrate- and so more infrared radiation circulates in its surroundings.)
Because the catalyst is not really part of the reaction. it is something that speed up a reaction by lowering the energy need for the reaction to take place. however, in the end the catalyst is brought back to its initial state. that's why it is long lasting
What happens when an oceanic plate collides with a continental plate?
C. The oceanic plate moves under the continental plate
Assuming you meant cation and not action, gallium would most likely form a cation because it is a group A element
