At the core of biology and other sciences lies a problem-solving approach called the scientific method. 1  Make an observation. 2  Ask a question. 3  Form a hypothesis, or testable explanation. 4  Make a prediction based on the hypothesis.  Test the prediction.
Xi. Xi is the 14th letter of the Greek alphabet. It is pronounced in Modern Greek, and generally or in English. In the system of Greek numerals, it has a value of 60. Xi was derived from the Phoenician letter samekh. Xi is not to be confused with the letter chi, which gave its form to the Latin letter X.
What is ZI? There may be more than one meaning of ZI, so check it out all meanings of ZI one by one. ZI definition / ZI means? The Definition of ZI is given above so check it out related information. What is the meaning of ZI? The meaning of the ZI is also explained earlier. Till now you might have got some idea about the acronym, abbreviation or meaning of ZI. What does ZI mean? is explained earlier. You might also like some similar terms related to ZI to know more about it.