Gary is trying to think of an object that could model a sunspot. His teacher tells him that such an object might be found right on his face. Which of the following most closely models the behavior of a sunspot?
A.
a freckle
B.
a lip
C.
a birthmark
D.
an eyelash

biology is the study of life. it is the study of living organism.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.