What adds the element carbon to the enviroment

Occurs when the immune system attacks the body. lupus cancer sickle cell disease huntingtons disease

Which of these is an accurate and appropriate summary of paragraph 4? a) the speaker talks to her sister who understands politics. b) the speaker talks to her sister about all of her problems. c) the speaker wants her sister to tell her which party is best. d) the speaker is trying to find out who her sister is voting for.

Which term defines one's age as measured in years? chronological age biological age social age mental age