Water is a polar molecule because its opposite ends have opposite electric charges.
Meiosis is invovled in the production of gametos (sex cells) so that the plant can reproduce. This usually happens during the time the plant is flowering
Aristotle based his classification system off of observations of animals, and used physical characteristics to divide animals into two groups
Answer:
The answer is Physical. Physical immunity occurs when a person immune system responds to antigen.
Explanation: