i think you mean antibiotic ... but Alexander Fleming was the one who advanced the antibiotic (world) and was responsible for creating these categories of medicine... this affected the 20th century because millions of people use antibiotics everyday and without them... many diseases would still affect people without a cure
The cast iron was the central piece of construction material during the late 19th century. This architecture style was a famous style especially in the Industrial Revolution<span> era because cast iron was cheap relative to all other materials and that it is as well strong. </span>
False i believe is the answer if im incorrect someone please correct me...
The centripetal force of an object undergoing uniform
circular motion is half as great
as before when its radius is doubled and its speed remains constant.
To add, the centripetal force is <span>a force
that acts on a body moving in a circular path and is directed toward the center
around which the body is moving.</span>
