*See the documents attached. One of them is the graph I made.* * Describe the correlation between the age of the tree and the diameter of its trunk. Why do you think that the correlation is not perfect?
* Would you expect this line (the line of best-fit) to pass through the origin?
* What does the slope of your graph represent?

Extension Questions
1) Write an equation to link a tree's circumference with its likely age.
How old is a tree likely to be if its circumference is 157 cm?
2) What is the average annual increase in a tree's circumference?

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

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(x) - (y) = (1 + 4i)