Why do cells have a plasma membrane a) separate proteins from nucleus b) distinguish plants from animals c) define the size of the cell d) separate the inside of the cell from its environment

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

What is a metal replacement reaction

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.