Questions Q10 Changes in attractive forces when water vaporizes
Which of the following describes the changes in forces of attraction that occur as H20 changes phase from a liquid to a vapor?
(A
H-O bonds break as H-Hand O- bonds form.
B
Hydrogen bonds between H20 molecules are broken.
C
Covalent bonds between H20 molecules are broken.
D
Ionic bonds between Htions and OH" ions are broken.
(E
Covalent bonds between H ions and H20 molecules become more effective.

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

the answer is c i took the test

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101