What is the benefit of using a short cut in a reaction between two chemicals

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

How does science influence the decisions made about social, economic, and political issues?