Question

The product of two rational number is - 21 if one of them is - 7 find the other represent minus 3/8 on number line.

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Answer 1

Step-by-step explanation:

Burning of LPG is an example of rapid combustion. In this combustion, the combustion of combustible material is complete. LPG burns rapidly and produces heat and light. ... Therefore, Burning of LPG is an example of rapid combustion.

Answer 2

Answer:

Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. The earliest roots of science can be traced to Ancient Egypt and Mesopotamia in around 3000 to 1200 BCE.