14. Osmose and osmotic pressure of solutions. Vant-Hoff s law.​

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Name the element in group 17, period 2. (periodic table)