What do pesticides, heavy metals, hazardous waste, mining for metals, mining for ores, all have in common?

pollution of land and water

Explanation:

Pesticides, heavy metals hazardous waste and mining for metals or ores all cause land pollution.

These contaminate the land kill the useful microbes present in the soil. Moreover, when used excessively these chemical enter in our food chain and through into our body and cause various disease. Minamata disease in japan is one such example cause be mercury contamination.

These cause water pollution too. Chemical waste in water give rise to eutrophication and leaching.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.