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Ainat [17]
3 years ago
15

The most common source of infectious diseases in water supplies is _______. a. algal blooms b. sewage c. surface runoff d. none

of the above
Biology
2 answers:
SSSSS [86.1K]3 years ago
7 0

b. sewage just to the test

olya-2409 [2.1K]3 years ago
3 0
None of the above...
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3 years ago
Help are they c o or h
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3 years ago
he x-ray film shows a fracture where one side of the cortex is intact and flexed and the other side has signs of interruption (f
KatRina [158]

Answer:

This is refers to as Greenstick fracture.

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This is the type of fracture common in children less than 10 years, in which there is incomplete fracture of the bone,with ,but  the cortex  remain flexed.It is called green stick because it is analogous to the act of breaking  a branch of a tree, which is not completely broken, from the main branch.

It is usually to due to falls,and common in kids because of their soft bones which is not completely formed and therefore will not break off completely like that of adults when fractured, but only from one side only.

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