Probaly mass production factories like air pollution or mining because that also pollutes and destroys the environment
All possible outcomes of a genetic cross
Most food is processed, ridded of the hormones. Then they are filtered and packaged, cleaned and ridded of all things that could possibly harm our body.
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Answer:
1.the drop of blood gets deoxygenated and enters the Superior and Inferior Vena Cava.
2.after that it will enter the right atrium.
3.the the drop of blood will enter the Tricuspid valve.
4.next the drop of blood will enter the right ventricle.
5.after that the drop of blood will enter the pulmonary valve.
6.next the drop of blood will enter the pulmonary artery.
7.afterwar the drop of blood will exchange CO2 and O2 of lungs.
8.the drop of blood becomes oxygenated and enters the pulmonary veins.
9.the drop of blood enters left atrium.
10.next the drop of blood enters the bicuspid or mitral valve.
11.the drop of blood witll next enters the left ventricle.
12.the drop of blood will next enters the aortic valve
13.and lastly the drop of blood enters the aorta.