Answer:
The answer is a) allopatric speciation.
Explanation:
Allopatric speciation happens when a geographical or physical barrier is introduced in a population. After this, the reproductive isolation, genetic recombination and also random mutations can promote the speciation process, where at the end, there will be two separate species.
Since guanine - cytosine and adenine - thymine are are always paired in the DNA, the amount of cytosine is approximately the same as guanine and the amount of thymine is approximately the same as adenine
Answer:
That will Be Positive and negative
Explanation:
The two hydrogen atoms and one oxygen atom within water molecule (H2O) form polar covalent bonds. While there is no net charge to a water molecule, the polarity of water creates a slightly positive charge on hydrogen and a slightly negative charge on oxygen, contributing to water's properties of attraction
hope that help, cheers :D.
