How can biodiversity be compared to a complex machine? I need this answer right away pls I got a quiz

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

Write the overall equation for the reaction for lithium battery

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)