How do the polar easterlies and the jet stream work together to affect the weather in the United States?
OA. They bring cold, polar winds southward.
O B. They bring weather from the West coast to the East coast.
OC. The push surface ocean water into the Great Lakes.
OD. They bring warm winds to the equator.

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

hope this