Viral stis are not curable and can only be controlled with medications

True.

Explanation:

STI stands for Sexually Transmitted Infections, they are caused by viruses or bacterias, which are usually from person to person through sexual intercourse, and even skin to skin contact.

Particularly, this infections cannot be cured, but treated with medication. Some STIs are herpes, hepatitis B, Human Papilloma Virus, HIV, syphilis and more.

The los angeles must have 500 to 900words

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport