The image shows the magnetic polarity involved in seafloor spreading. Which feature is the arrow pointing to?

https://cdn. app. edmentum. com/EdAssets/e0db99d2f9914efda035de 5be375f1ed?ts=636280920060800000

A.
youngest rock with normal polarity
B.
oldest rock with normal polarity
C.
youngest rock with reversed polarity
D.
oldest rock with reversed polarity
E.
middle-aged rock with no polarity

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

is this a question? wassup

you can have just about every answer you can think of