What process do scientists use to answer questions about the world; for example, redi's experiment with rotting meat?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

As scientist had investigated evolution from a variety fields they have found

Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin