SMOOTHIES: Why does adding lemon juice [to a blueberry smoothie make it change colour from purple to pink?

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

In pqr m< p=60 m< q= 30 and m