A. Natural physical contaminant
Brainliest?
New matter is not created because matter can neither be created nor destroyed (or so is said) where the matter comes from is from the matter it takes in such as sunlight, nutrients, water, and carbon dioxide, hope i helped.
Seismic waves
~~~hope this helps~~~ ~~davatar~~
Answer:
Option D is correct
Explanation:
Gradient elution of transcription factor is facilitated by disrupting DNA- transcription factor interaction by increasing concentration of salt in other to increase the ionic strength.