The answer is B, sodium is an element.
C. color.
It's a color chart.
The answer is B, Genetic diversity because it is when they combine to form a new organism they both contribute their hereditary factors.
Answer:
DISADVANTAGES OF ELECTRONIC COMMUNICATION
The cost of development: Electronic communication requires huge investment for infrastructural development. Frequent change in technology also demands further investment. Legal status: Data or information, if faxed, may be distorted and will cause zero value in the eye of law.