the polar heads interact with water; the nonpolar tails do not.
Actually it depends because at my school if we get hints wrong we get deducted points, though at other schools it might be different. So it depends what your school does.
Hope this helps.
(If it doesn't, I am sooooooooooooooooooooooooooooooooooooooooooooooooo sorry.)
The condition known as endocervicitis is an aggravation of the bodily fluid film coating of the cervix. A condition in which patches of endometrial tissue get away from the uterus and wind up joined to alternate structures in the pelvic cavity.
In a few ladies endocervicitis is asymptomatic, now and again the accompanying manifestations might be available:
1-irregular seeping from the vagina;
2-constant dark or white release from the vagina;
3-vaginal agony;
4-torment amid intercourse;
5-feeling offensive distress in the little pelvis;
Answer:
C.
Explanation:
Nitrogen fixation is a process by which molecular nitrogen in the air is converted into ammonia or related nitrogenous compounds in soil. Atmospheric nitrogen is molecular dinitrogen, a relatively nonreactive molecule that is metabolically useless to all but a few microorganisms.
Answer:
B. the sun
Explanation:
the sun's ray are hot the closer they get to earth, it gets less warmer
