Ph means health because i was in health class and she said ph means heath
Answer:
Guanine
Explanation:
There are <em>four</em> nitrogenous bases in DNA, <em>two purines</em> (adenine and guanine) and <em>two</em> <em>pyrimidines</em> (cytosine and thymine)
Adenine always bonds with thymine, and cytosine <em>always bonds with</em> guanine.
Answer:
C
Explanation:
A nebula is an interstellar cloud of dust, hydrogen, helium and other ionized gases.
Explanation:
in modren days a lot of new fertiliser are used for the better growth of crop ee new type of cultivation system
Vertical farming is the practice of producing food and medicine in vertically ... The modern ideas of vertical farming use indoor farming techniques and controlled-environment