Answer:
click the third choice
Explanation:
Answer:
third choice
Explanation:
Answer:
The polar nature of water make water universal solvent.
Explanation:
The polar nature of water is responsible for the versatility as a solvent because due to this polar nature of water maximum number of solutes or chemicals dissolved in it and it is also called universal solvent. Polar nature means making positive and negative polar which attracts the opposite charge atoms and making covalent bond with them. The hydrogen has partial positive charge so it attracts negative charge atom while oxygen has partial negative charge so it attracts positive charge atom.
Water's versatility as a solvent can be attributed to its polarity, hydrogen bonding, and high dielectric constant.
Water's versatility as a solvent can be attributed to several factors:
Polarity:
Water is a polar molecule, meaning it has a slightly positive end and a slightly negative end. This allows water to dissolve many different substances that have charged or polar molecules, like salts and sugars.
Hydrogen Bonding:
Water can form hydrogen bonds with other molecules. This allows it to dissolve substances that can form hydrogen bonds with water, such as alcohols and organic acids.
High Dielectric Constant:
The dielectric constant of water is relatively high, which means it can weaken intermolecular forces between solute particles and allow them to dissolve more easily.
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Answer:
The cell membrane is a double layer of phosphate molecules and lipids.
The cell membrane’s protein channels only let certain molecules pass through.
The cell membrane has protein channels that are partly inside and partly outside the cell.
Explanation:
Answer:
The cell membrane is a double layer of phosphate molecules and lipids.
The cell membrane’s protein channels only let certain molecules pass through.
The cell membrane has protein channels that are partly inside and partly outside the cell.
Explanation:
The adult human skeleton usually consists of 206 named bones. These bones can be grouped in two divisions: axial skeleton and appendicular skeleton. The 80 bones of the axial skeleton form the vertical axis of the body. They include the bones of the head, vertebral column, ribs and breastbone or sternum.
Answer:
Motor neurons stimulate muscle cells so that Dina can move to put on her coat.
Explanation:
A. They return nitrogen gas to air
B. They fix atmospheric nitrogen gas for the food chain
C. They decompose dead plants and animals
D. They build protein in plants
Answer:A. They return nitrogen gas to air
Explanation:
Answer:
The correct answer is B
Explanation:
Got it correct on GAVS..
b. transpiration
c. adhesion
d. cohesion
Answer: Adhesion
Explanation:
Adhesion can be defined as the property to water molecules by which it gets attached to other molecules is known as adhesion.
As water molecules is polar in nature they gets attracted towards polar molecules only. So, the one polar molecules(water) gets attached to another polar molecules by adhesion.
This property of water allows it to move from one place to another. The water from soil move to upper part of the plant by this property.
Hence, the correct answer is adhesion.