B. the contraction and relaxation of the brain
Answer:
Report : means to give an account of something that, whether written or oral, of the things that are either investigated or observed. Describe: to give a detailed account of something in words revealing its characteristics, or qualities. So, the correct pair of analogy of investigate : examine is report: describe.
Answer:
The yeasts cause the dough to rise by creating carbon dioxide bubbles, while the lactic acid bacteria provide the sour flavor (in the form of acetic acid and lactic acid) and preserve the bread by lowering its pH, which prevents the growth of food borne pathogens.
Answer:
Still higher hydrocarbons are liquid, such gas oil or kerosene. For gas oil or kerosene at ~500 °C/20 bar autoignition time may come down to 1–10 ms (see Fig.
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Autoignition time and temperature.
