What did Alexander Fleming discover that helped solve a societal problem?
O
antibiotics
bacteria
infections
mold

In a market economy, what does a producer mean when it asks, "is there a market for my products? is there a place where we can sell our products? " "ls our product being made more cheaply overseas? " will consumers need and want to buy our products? " will the government support demand for our products? "

Calculate the iq of a 20 year old who has the mental age of 25

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less