It is a misspelling.
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Answer:
b. the HIV infection.
Explanation:
Around the 1970s, an increase in the use of airplane travel led to fears that an epidemic would leapfrog the globe much faster than the pandemics such as tuberculosis, leprosy, smallpox, trachoma, anthrax, scabies, etc., that were evident during the Middle Ages, fears that were later confirmed by the worldwide spread of the HIV infection, beginning in the 1970s in the United States of America.
STD is an acronym for sexually transmitted disease and it can be defined as diseases that are easily transmissible or contractable from another person through sexual intercourse. Thus, STD spread from an infected person to an uninfected person while engaging in unprotected sexual intercourse. Some examples of STDs are gonorrhea, chlamydia, syphilis, HIV, etc.
HIV is an acronym for human immunodeficiency virus and it refers to a type of disease that destabilizes or destroy the immune system of a person, thus, making it impossible for antigens to effectively fight pathogens.
Generally, contracting STDs has a detrimental effect to a patient because it causes an opening (break) or sore in the body of the carrier (patient) and as such making them vulnerable to diseases that are spread through bodily fluids e.g human immunodeficiency virus (HIV), Hepatitis, staphylococcus, AIDS, etc.
convection requires a medium is not the main difference, it is simply the most obvious aspect of what is a fundamentally different mechanism for transfering energy. Convection is the transfer of energy by movement of a medium, whereas radiation is the transfer of energy by, well, thermal radiation. Conduction also requires a medium, but, again, it is a fundamentally different mechanism than either convection or radiation; in this case it is the transfer of energy through a medium.
Unfortunately, analogies are hard but if you can visualize the particles involved, it would help. Picture the red hot iron you mentioned. On a molecular level, the material is emitting lots and lots of photons (hence why it is glowing red). The creation of these photons takes energy; energy from the heat of the iron. These photons leave the iron, pass through the environment, and eventually collide with some other object where they are absorbed and deposit their energy. This is radiative heat transfer. If that energy is deposited on your retina or a CCD (like in a digital camera), an image forms over time. This is how infrared goggles work and they would work equally well in high vacuum as here on earth.
In conduction, the next simplest example, there is no generation of photons (physics nerds forgive me for the sake of simplicity). The individual atoms in the object are vibrating with heat energy. As each atom gains energy from it's more energetic neighbors, so it gives up energy to its less energetic ones. Over time, the heat "travels" through the object.
In convection, the molecules of gas near the object gain energy, like in the conduction case, but those same molecules that gained energy then travel through the environment to some other location where they then give off their heat energy.
In summary:
radiation = generated and absorbed photonsconduction = molecules exciting their neighbors succesivelyconvection = molecules heated like in conduction, but then move to another location
The SQL keyword that is often used to retrieve a minimum value from an attribute in a table is the MIN function.
<h3>What is the MIN Function? </h3>
The MIN Function is known to be a group found under Excel Statistical functions.
Note that the MIN often return the minimum value in any list of arguments and as such The SQL keyword that is often used to retrieve a minimum value from an attribute in a table is the MIN function.
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Answer:
Mars loses its atmosphere faster, because there's less gravity to hold on to it. It goes through the loss of atmosphere faster than earth does
Explanation:
