<em>sufficient speed and correct orientation is correct</em>
Explanation:
A successful collision is one that results in the making of the product(s). Two factors—sufficient energy and correct orientation—must be true for a given collision to successfully result in the production of products. Both factors must be true for a given collision for it to go to completion and form the products.
The answer is A because if you place the first two numbers 1 and 3 Au=2 S=3 H=6 It has to equal to the product so then you put in the last two numbers 2 and 3 Au=2 S=3 H=6