Question

identifying central idea - instruction - level b
all have x - ray scan on the left) and strands of his hair that
are found.
belongings are also treated with the utmost care.
objects are just as valuable as otzi himself for
about his life and times. even microscopic grains of
and scraps of moss can be important clues. by
ning the plant materials found on otzi and his
ment, scientists were able to figure out that he lived
that is now northern italy.
how did otzi die?
there have been many theories about how otzi died. at
scientists thought he might have been lost or injured
severe snowstorm and died from the cold. then, in
2001, doctors studying new x - rays discovered a
stance image of something embedded deep within
s back. to learn more, they used ct scans. what they
and shocked them.
image was that of an arrowhead
what key details show that an
arrow may have killed otzi? add
the second detail to the chart.
main idea
an arrow may have killed otzi.
key detail
x - rays showed
a shadowy
image in otzis
back.
key detail
ct scans
showed an
arrowhead.
ct scans
shocked the
doctors.
ct scans
revealed
what killed
otzi.

Explanation:

The text discusses theories about Ötzi's death. The first key detail is the X - ray showing a shadowy image. The second key detail is that CT scans showed an arrowhead embedded in his back, which is a crucial clue suggesting an arrow might have killed him.

Answer:

CT scans showed an arrowhead.