According to a source, the options that fits the question is reactants collide with reactants to form activated complex that separates into products. This clearly suggest the collision theory.
Thank you for your question. Please don't hesitate to ask in Brainly your queries.
1. Decreasing the temperature of the water.
2. One new atom with a large nucleus forms.
3.The reaction is an example of oxidation.
An alloy is the solid solution of a metal or non-metal dissolved in a metal.
Its tail helps it climb down the tall grasses and lets it swing from the grass like a monkey in a tree
Explanation: