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Ymorist [56]
2 years ago
14

20 overall, around ___________ teenagers contract an sti sexually transmitted infection) each year.

Biology
1 answer:
Sauron [17]2 years ago
3 0
<span>overall, around twenty million teenagers contract an STI (sexually transmitted infection) each year. </span>(The half of them are from U.S.)<span>

A sexually transmitted infection (STI) is an infection that is transmitted between partners during different forms of sexual intercourse. This infection can lead to an infectious disease, formerly called venereal disease (the name comes from Venus, goddess of love)All sexual practices that involve mutual genital or oro-genital contact with another person, or genital fluids, are considered to carry a risk of transmitting an STI. Each STI has a different risk and severity.
</span>
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The answer is "0.64".
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3 years ago
A student taking an online lab course is only able to perform their Science Interactive kit experiments in their workplace, an o
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The student should chose a location within the office that has good ventilation and a workspace big enough to accommodate all his science materials.

What is an experiment?

An experiment can be defined as a procedure carried out under supervised conditions in order to discover an unknown effect, to test or refute a claim, or to illustrate a known law.

A science experiment should be carried out in a location within the office that has good ventilation and a workspace big enough to accommodate the required science materials. The location should be devoid of children, pets and other danger-posing objects.

In conclusion, experiments are carried out in suitable conditions and environment.

Learn more about experiments at: brainly.com/question/17274244

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7 0
1 year ago
Not all individuals in a population will survive to reproduce. Those that do, pass their to their offspring.
goldenfox [79]

Answer: Depending on the species they mightreproduce asexualy or they will adapt to have offspring.

Explanation:

3 0
2 years ago
Read 2 more answers
Human birth weights range very narrowly between 5.5 and 8.5 pounds. Babies much smaller than 5.5 lbs. suffer a higher mortality
Margarita [4]

Answer:

a.  Stabilizing selection

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Babies lower than 5.5lbs would suffer from various disorder because of low birth weight as their body would not be able to compete as well they would have weak immune system and malnourishment. Whereas high birth weight carry the equally above risk as their body wont be able to cope up and organs become insensitive to various hormones. for the survival the birth weight should be within a median range so that it would be favorable for themselves and surroundings.

Stabilizing selection occurs when a population stabilizes on a particular trait value and genetic diversity decreases. As in this example, an average baby weight has to favour against extreme variation for it's better survival.

therefore, this is an example of stabilizing selection.

3 0
2 years ago
How does the B horizon receive materials from the layer above?
Paha777 [63]
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