Alternating current electricity. This allowed electricity to flow further than Edison's first DC approach.
Railroads - allowed for transportation of materials to growing small cities, and large cities to become larger.
Antibiotics and antiviral medicines. - stopping deadly diseases and bacteria from spreading. This helped with many problems that would normally terminate 33% of populated areas that are infected.
Answer:
Mast cells are a type of white blood cells that is found in connective tissues all through the body, especially under the skin, near blood vessels and lymph vessels, in nerves, and in the lungs and intestines.
Answer:
D
Explanation:
Thermal energy is the energy that is generated and measured by heat.
This formatting of rock is called a sedimentary rock
Answer: C
Explanation: An atom of titanium has fewer protons than an atom of vanadium but more protons than an atom of scandium