Answer:
Waves carry energy from one place to another. Because waves carry energy, some waves are used for communication, eg radio and television waves and mobile telephone signals. There are many types of waves including sound waves, water waves and all the parts of the electromagnetic spectrum.
Explanation:
 
        
             
        
        
        
I think mitosis if I’m wrong correct me. But we also have other answers so idk.
        
             
        
        
        
Answer:
A) special proteins would open the promoter while
Explanation:
A promoter is an area of DNA that can be bound to be proteins in order to initiate processes such as transcription. These sequences are usually a repetitive code.
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Plants regulate their water levels in two main ways: Stoma and Vacuoles.
Stoma are bean shaped cells on the leaf that allow water and gas to exit. They open and close to regulate water.
Vacuoles are organelles that store water and fluids, which help regulate them.