<span>Direct consequences of cumulative post-industrial emissions of carbon dioxide include increasing global temperature. </span>The oceans absorb 22 million tons of carbon dioxide every day. <span>When the oceans absorb </span>CO2, the chemical reaction that takes place produces carbonic acid (H2CO3<span>), which increases the acidity (lowers the pH) of seawater. So, the balance is ruined. </span>
The hormones are sent as chemical signals
warm front
// answer was short so added this text //
It gets polluted from fertilizers or any spilled chemicals. And those chemicals get obsorbed into the ground. And the gravity pushes them deeper in the soil, till it reaches the underground water (or aquifer)