Centimeter because it is the only metric measurement
Zit sure has to be B. Pollution
When scientists try to use the explanation of the natural world to understand patterns, they are making PREDICTIONS about natural events. For example, volcanic eruptions.
Without the answer options I cannot tell you the answer exactly, however X linked disorders are found only on X chromosomes and are indicated by a lowercase letter next to the X. Xr would be an example of the notation. A male has one X chromosome and one Y chromosome, where females have two X chromosomes.
The allele combination of a male with an x linked recessive disorder would look something like XrY.
