Asubstance that contains two or more substances combined chemically is called

A substance which has two or more substances combined chemically is called pure chemical compounds.

Explanation:

When two or more substances combined together a new substance is formed. If this combination occurs chemically it is called as pure chemical compound.

These pure chemical substances are have same properties throughout sample. A pure substance take part in a chemical reaction to shape in expected products.

Water, table salt, Baking soda and table salt are chemically pure substances. Pure water is one of the example for pure chemical substance.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.