Summary: Excel Services is a business intelligence tool that allows you to share data-connected workbooks across an organization. Excel Services in SharePoint Server 2013 is a shared service that you can use to publish Excel 2013 workbooks on SharePoint Server.
Skin cells are diploid. The only cells that are haploid are sex-cells (sperm and ovum/egg). Skin cells are diploid. The only cells that are haploid are sex-cells (sperm and ovum/egg).
Initially, cells were haploid. Now, suppose that two haploid cells touched. Just like two soap bubbles, the cell walls could join, and the two cells would become one cell. Suddenly two haploids are one diploid. Just like a haploid sperm joining with a haploid egg. It probably happened a great many times.