Question

project on pollution and with some pictures to support your topic ​

Answer 1

Answer:

In double circulation, blood flows twice through the heart, during each cycle of passage through the body. Double circulation is important to keep the oxygenated and deoxygenated blood separate from each other in the body and prevent their mixing. Such separation allows a highly efficient supply of oxygen to the body.

Answer 2

.-.-.-. project work .-.-.-.

pollution is the introduction of harmful materials

in to the environment. these hamful materials are clawed pollutants. pollutants can be natural,such as volcanic ash. thay can also be created by human activity, such as trash or runoff produced by factories. pollutants damage

the quality of air,land and water

------ YOU CAN DRAW THE PICTURE WHICH U CAN SEE UP ---------

Their are seven different types of pollution

1. AIR POLLUTION
2. WATER POLLUTION
3. LAND POLLUTION
4. RADIOACTIVE POLLUTION
5. THERMAL POLLUTION
6. LIGHT POLLUTION
7. SOUND POLLUTION

HOPE THIS ANSWER HELP YOU