Answer:
The answer would be A. Reversal of Earths magnetic field
Explanation: This process is responsible because over time Earth's magnetic field changes, therefore it creates magnetic changes. It changes minerals in rocks and elements.
it's the structure of the nucleotides
the basic building unit of nucleic acid
<span><span>The correct answer is </span>b. LH.</span>
Luteinizing hormone (LH) is a pituitary hormone with the influence on both, male and female reproductive system, regulated by gonadotropin-releasing hormone (GnRH). In males, LH acts upon the interstitial cells (or Leydig cells) of the testis, which produce testosterone. LH regulates the expression of the enzyme that is used to convert the precursor of the testosterone to testosterone.
Gene: polypeptide are equivalent units of info
Answer: The bacteria uses the oxygen present in the mouth.
Explanation:
The plaque that is formed in the teeth is a highly anaerobic bacteria but it can sustain in the environment rich in oxygen. The oxygen is used by the bacteria and there is a absence of oxygen in the teeth.
It is formed in between the teeth which needs oxygen to survive and if remains for tooth for a longer period of time then it began to grow without oxygen.
It basically uses the oxygen available in the mouth and makes the condition anaerobic.