Answer:
Scientific discoveries challenged long-held ideas. The discovery of penicillin lead to development of antibiodics to treat infection.
Explanation:
because it is the law of are country
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Islamic armies faced major resistance from cities in the Persian Empire. Islam first developed in Europe and then spread inland through Africa. Islam had its origins in Constantinople before spreading to Arabia.
Answer:
Natural Selection
Explanation:
Genetic variations are one of the most important factors in the evolution of organisms. Mutations are fundamental in this process. When a mutation is produced in an organism, and that mutation produces an 'attractive' trait that will potentially help the organism to reproduce, then, this trait (if the mutation is hereditary) will be passed on to the subsequent generations and will stay in the population as it is beneficial.
This perfectly illustrates natural selection, which refers to a process in which a trait that is advantageous will stay in a given species if it helps the individual to survive and reproduce. In other words, nature "selects" the organisms that possess the 'best' traits so they can pass them from generation to generation and increase their chances of survival.
The correct answer is : consumer behavior
Consumer behavior refers to how the consumers will behave in order to get their own personal satisfaction.
consumers tend to be more consumptive in their behavior if they were categorized as "high earning individuals" , since they have more disposable income in their pocket