What are the properties of a useful model of global systems?

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad