Answer:
Option A is correct.
A. Density.
<h3>Explanation:</h3>
Physical properties are those that can be observed without changing the identity of the substance. The general properties of matter such as color, density, hardness, are examples of physical properties. Flammability and corrosion/oxidation resistance are examples of chemical properties.
Increasing is what I think
The cell membrane consists primarily of a thin layer of amphipathic phospholipids. They Spontaneously arrange so that they form a continous, spherical lipid bilayer
One water molecule is formed.
The process where 2 monosaccharides joined together is called condensation, and because after the bond, 2 hydrogen and 1 oxygen molecule is left out, therefore 1 water molecule is produced.
Note that when the new product disaccharides is broken down back into 2 monosaccharides, the water molecule is used back.