It started as a fun snowball fight that was becoming an avalanche. The Proterozoic saw a couple of severe ice ages called snowball Earths. Thus the sample group is said to grow like a rolling snowball. That was kind of my first snowball effect. Recent studies may have again complicated the idea of a snowball earth. Organism size and complexity increased considerably after the end of the snowball glaciations. The same tillites also provide some support to the Precambrian Snowball Earth glaciation event hypothesis. It is effectively used to avoid bias in snowball sampling. This expansion coincided with the Varanger glaciations, also known as Snowball Earth. It is a stochastic process that involves connected nodes that snowball into more connections. This might have been the mechanism of entering Snowball Earth state. This is known as the snowball effect. There have been difficulties in recreating a snowball Earth with global climate models. He returns home with a snowball stashed in his pocket. Syracuse usually wins the Golden Snowball Award, among Upstate cities.