Both Jenny and Jack are correct.
Explanation:
According to the principle of superposition, both Jenny and Jack are perfectly correct.
The principle of superposition states that the oldest bed is at the bottom and the youngest is on top in an undeformed sequence of rock strata.
From this principle we can see that the sequence of the bed is:
- soil Youngest rock layer
- loam
- sand and gravel
- loam
- clay
- impermeable rock (limestone) Oldest rock layer
We can see that truly the clay is older than the sand and gravel according to Jenny.
The limestone is also older than loam according to Jack.
Learn more;
Sedimentary rocks brainly.com/question/9131992
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Answer:
Gene expression is a strictly controlled process that allows a cell to respond to changes in its surroundings. It serves as an on/off switch for controlling when proteins are created as well as a volume control for increasing or decreasing the amount of proteins produced.
Answer:
Biological diversity, or biodiversity, is the term given to describe the variety of life on Earth.
Explanation:
The period is the time it takes the satellite to make a complete orbit around the central object. As the distance increases, so does the period because the orbit becomes longer because the radius increases.
Hope this helps!!
I think it’s a. 12
Explanation:if it’s wrong kill me
“Tell me if I’m right”