<span>Rh-positive fetus and an Rh-negative mother condition occur.</span>
Answer:
True
Explanation:
Lipoprotein contain some amount of lipid, protein, phospholipids and cholesterol. It carries fat(lipid) molecules in the blood to different parts of the cells and tissues. Fats acts as insulators and protect vital organs.
High level of lipoprotein in the blood causes arteriosclerosis which is the blocking and clogging of the arteries with fats. These fats makes flow of blood difficult in the blood and it eventually causes heart related diseases and death.
The difference would be that impervious structures and surfaces generally do not allow molecules and compound to be transferred across. It is generally impossible to get something through an impervious surface. This isn't true, however, for pervious surfaces.
The ozone layer is supposed to block ultraviolet rays.