Hi there!
The answer is 4) determining the true age of rock layers.
Relative dating is only used to determine the rocks in sequential order from oldest to newest, absolute dating can give an estimated time to the age of the rock.
Hope this helps!
Photo 51, showing x-ray diffraction pattern of DNA
Photograph 51 is the nickname given to an X-ray diffraction image of DNA taken by Raymond Gosling in May 1952, working as a PhD student under the supervision of Rosalind Franklin,[1][2][3][4] at King's College London in Sir John Randall's group. It was critical evidence[5] in identifying the structure of DNA.[6]
Question 1
A. They are both unicellular
Question 2
B. there are three types of cells, prokaryotic, eukaryotic plant, and eukaryotic animal.
Answer:
D. gene expression and protein synthesis can be considered the same thing
Explanation:
:)
The answer is: An air conditioner that turns on if the temperature gets too hot.
Even though they hurt you emotionally, Negative feedbacks serve their own important function. They keep your feet on the ground and prevent you from getting too arrogant.
This function is similar as a cooling air conditioner. Hot temperature in the comparison above represent your arrogance and the air conditioner represent the negative feedback.
