Ascientist heats a liquid. the liquid turns to vapor at 100 celsius what physical property is this

The response is the basis for vaccination. primary secondary tertiary none of the above

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier