Through expanding, some galaxies are on a collision course with us.
Antibiotics stop the bacteria growth, reproduction or destroy the bacteria.
Explanation:
Antibiotics are known as those popular medicine which is helpful and also can fight for certain type of infection. Their main role is to stop their growth, reproduction or otherwise destroyed it.
The first antibiotics was penicillin. Antibiotic is using to stop the allergic reaction but it must be prescribed by doctors. Antibiotics also have side effects. Due to excess use of antibiotics abnormal blood clotting happens.
They surround and engulf foreign objects and organisms- process called phagocytosis
It's biotic, biotic is basically anything living
Hope this helps