<span>The disengagement theory of aging states that "aging is an inevitable, mutual withdrawal or disengagement, resulting in decreased interaction between the aging person and others in the social system he belongs to". The theory claims that it is natural and acceptable for older adults to withdraw from society.</span>
Millstones
Millstones or mill stones are stones used in gristmills, for grinding wheat or other grains.
<span>Zakat is the Islamic country<span>'s prosperity</span></span>
Tropical climate receives the most solar energy
