What is the phenotype of an individual XHY?
Normal male
Carrier male
Hemophilia male

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high