After watching the squirrels at the local park for several days, Sergei asks his science teacher the following question: "Do more squirrels live in maple trees or oak trees in the city park?” Is Sergei's question a scientific question? Why or why not?.

Patricia is told by her physician that her body and brain chemistry have physically adapted to the drug and that she has become dependent on the tranquilizers prescribed for her by another doctor.

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Which of these parts of the membrane large moecules pass through it ?