Answer:
if in excess the carbon dioxide is harmful to both the humen and other living things.
Step-by-step explanation:
in our daily life we exhale carbon dioxide after inhaling oxygen.
but if carbon dioxide is in excess in atmosphere which is caused by burning fossils may cause changes in weather and climate at large due to aerosol particle emittion which inturn cause damage to o-zone layer causing global warming.which are effect to aquatic life and also to human.