<span>Mechanical </span><span>weathering occurs more rapidly in climates that experience frequent freezes and thaws
</span>
English but mandarin chinese is a close second. <span />
<span>Australia’s population is ageing, and its growth is slowing down due to remarkable advances in medicine, health care and birth control. These trends, coupled with increasing family and cultural diversity, create important challenges for society in general and for families in particular.
Hope this helps.</span>
<span>social roles began to change </span>