3 years ago

HIV can be transmitted via- choose all correct answers

Biology

2 answers:

Feliz [49]3 years ago

8 0

A or b and you can also have by birth but that’s not the answer to your question

NARA [144]3 years ago

5 0

Answer:

a) unprotected sex, c) vaginal birth, b) sharing dirty needles

Explanation:

I don't think you want me to go to detail for this

I hope this helps :)

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A roofer needs to get a stack of shingles onto a roof. Pulling the shingles up manually uses 1,549 n of force. The roofer decide

AURORKA [14]

Answer:

$3.47$

Explanation:

Mechanical advantage is given by the ratio of output force by input force.

$F_o$ = Output force = $1549\ \text{N}$

$F_i$ = Input force = $446\ \text{N}$

So,

$MA=\dfrac{F_o}{F_i}\\\Rightarrow MA=\dfrac{1549}{446}\\\Rightarrow MA=3.47$

The mechanical advantage of the pulley's is $3.47$ .

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Answer:

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Explanation:

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stepladder [879]

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4 years ago

What is sideline?<br> what is lorenzine ampoule?

bazaltina [42]

Answer:

A sideline is an activity done in addition to one's main job, especially to earn extra income.

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Explanation:

If you have any questions feel free to ask in the comments.

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