Answer:
the 4 different types of bases - adenine, thymine, cytosine, and guanine
adenine always pairs with thymine, and cytosine always pairs with guanine.
(dont know how they pair)
Explanation:
Answer:
A. oxygen
Explanation:
element in magma is most abundant is oxygen.
The function of the respiratory system is to exchange two gases: oxygen and carbon dioxide.
Hope this helps :)
Answer:
The answer is Number 3. The speed of light
Answer: the pioneer species
Explanation: