Answer and Explanation:
The main argument put forward by "The War in Vietnam" is that communist forces in South Vietnam found it easy to infiltrate and camouflage themselves as a North Vietnamese to receive appropriate military training. The most convincing evidence that the author presents on this argument is that the northern military training is handled by the elite military force commanded by Hanoi, thus allowing the communist army to strengthen itself easily.
Answer:
C) It is impossible to have identical twins of different sexes
Explanation:
Scientifically monozygous or identical twins are usually of the same sex unless in a rare case of genetic mutation where they develope into different sexes.
When the individual asked if they are identical twins, the first line of thought naturally will be to think if it is possible to have identical twins of different sexes
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