A) can enter from the surroundings, but cannot escape to the surroundings
Hey The cells on the plant that are farthest from the light have a chemical called auxin that reacts when phototropism occurs.
Minerals physical characteristics are hardness,luster,the way it’s solid and chemical would be the way the color changes and it’s density
Answer:
Look on the picture.
Explanation:
He could find only 2 isomers of n-hexane alkenes for this reaction. Other two could be marked from other direction.