Your emotions like anxiety, depression
You can take in more air and be under water longer
The answer is A. "Tennis."
Tennis is generally not a sport played as a "team." It usually consists of two people playing one on one.
One way unequal power relations contribute to the spread of HIV infection is because of forced sex or non-consensual sex and if the partner has any kind of STD (which is probable since most are with more than one person).
Sorry if this is written weird, I'm only in 9th grade so I don't really know this much about it. Any who, hope this helps!