You can usually tell the difference between a caldera and crater by studying

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Aboy with an extra x chromosome probably has which of the following syndromes?

How many major plates cover the earth