Answer:
Use cooking methods that minimize/eliminate contact with water.
Explanation:
Vitamins are important nutrients found in fruits and vegetables. Vitamins can be easily leached out and it is therefore recommended that the vegetables should be consumed immediately after purchase or stored in an airtight container.
The use of cooking method that eliminate contact with water such as freezing, keeping in a close container will help retain the vitamins, reduce degradation rate and prevent it form been lost.
Cutting will allow easy definition of vitamins and result in its lost.
I believe it is a Pure Substance
Hey there!
Your answer is generator.
In a windmill, electrical voltage is produced in the generator.
Hope this helps you.
Have a great day (:
Sometimes you mix different substances and you don't make new substances but mostly of the time you do make new substances , so the answer is chemical change.
Functions of cell surface Receptors .
most ligands responsible for cell-cell signaling ( including neurotransmitters, peptide, hormones, and growth factors) bind to receptors on the surface of their target cells.