Answer:
While HIV is a virus that may cause an infection, AIDS (which is short for acquired immunodeficiency syndrome) is a condition. Contracting HIV can lead to the development of AIDS. AIDS, or stage 3 HIV, develops when HIV has caused serious damage to the immune system. So its two different diseases that can lead to each other.
Explanation:
Friction slows things down. For example when you are putting on breaks in a car the friction causes the car to stop because you are putting pressure on the shoe and drum.
Friction goes against applied force works against it causing the object motion to slow down.<span />
Answer:
It is either B or C! I am not sure, though.
Explanation:
The two positive aspects of using expendable items is their safety and lower costs. It is true that these items are greatly used because of the concern of transmitting infectious disease, after all; life is precious and being disposable, it guarantees safe to use. Another aspect is that, it comes with lower costs that will make their availability possible.
However, the negative aspects of expendable things is the long term expenses that can cut off bigger profit. Aside from that, it requires more attention because they are frequently used and basically one should not run out of it.