Step-by-step explanation:
A. increased productivity 
Invention of assembly line: Increase performance and reduce production costs.
B. helps starving people in the world 
Advancements in agricultural practices: Contributes to greater food production, and they are also of better quality.
C. increased protection for people 
 Invention of plastics and Kevlar: The Kevlar has great resistance to impacts, absorbing its energy.
D. technology and computers 
Invention of semiconductors: They are used to make diodes, transistors, integrated circuits or microprocessors used by computers or smartphones.
E. cures and vaccines for diseases 
 Advances in medicine: Allows us to understand the different types of diseases, creating vaccines and cures against them.
F. free energy for electricity production:
Invention of solar panels: Allows convert solar energy into electricity through the photoelectric effect.