Children represent 24 percent of the population, but they comprise 34 percent<span> of all people in poverty.1 Among all children under 18 years of age, </span>45 percent<span> live in low-income families and approximately one in every five (</span>22 percent) live in poor families.
Recrystallization is when original grain sizes are obliterated so grains become uniform and larger.
<span>the law of conservation of angular momentum ensures that any rotating, collapsing cloud will end up as a spinning disk.</span>
If these substances become dissolved in the water vapour present in the air then acid rain can form. Acid rain can corrode and kill trees (damaging animal habitats) and wear away older buildings such as those made of limestone.
