Answer:
HIV/AIDS
HIV is a disease in the blood
nothing else
it is majorly caused through unprotected sex
there are other factors tho.
But it can be transmitted in blood transfusion
it is in the blood cells
Industry
Cars
Fuel burning
Use of chlorofluorocarbons
I think its the first one
Oil and water separate because they have different densities.
Answer:Blue rays and octopus are more closely related
Explanation:
