The Activation Energy is the energy required before the reaction activates.
So the answer is "The additional energy required for reactions to occur spontaneously"
Answer:
A mountain range is larger, and may have lots of peaks not joined as in a ridge. A mountain range refers to an area that contains several geographically similar mountains.
Credit: peterf
Answer:
Each layer has a different temperature range and contains different mixtures of gases and moisture. Human activities on Earth's surface can create changes in the atmosphere. Pollution, acid rain, and holes in the ozone disrupt how the atmosphere normally functions.