Just a easy question I want to see who can answer the faster and brainiest

Differences between duck and peacock

(Please don't spam ) Answer quickly please

What kinds of molecules can pass through the cell membrane without any problem?

Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the carry sticks based on the category they describe

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil