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Dense, hot later of partially solid rock

Explanation:

The Earth is divided into layers based on its chemical composition. These layers are as follows: crust, mantle and core. The mantle is the largest layer of the Earth i.e. it makes up most of the Earth with about 60-80%.

The mantle is described as an interior layer of the Earth that is composed of semi-solid rocks. The mantle is also HOT due to the transfer of heat via conduction from the core. Hence, based on the options in this question, the correct description of the mantle is a "Dense, hot later of partially solid rock".

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

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