the answer to your question is POLLUTION
The brain loses 5-10 percent of its weight between the ages 20 & 90.
Due to the water's polar property, water molecules attract one another<span>. The hydrogen ends, which are positive in comparison to the negative ends of the oxygen cause </span>water<span> to be compressed together. </span><span>In general, </span>surface tension<span> decreases when temperature </span>increases<span> because cohesive forces decrease with an </span>increase<span> of molecular thermal activity. The influence of the surrounding environment is due to the adhesive action liquid molecules have at the interface.</span>
