Consider the following statements and select the correct answer using the codes given below:1. Deserts, marshes and hilly tracts are known as the negative areas of population.2. Dot method is the best technique to show the distribution of population.3. Dot method can be used to show age and sex composition.4. The dot map cannot be transferred into isopleth.Codes:

• A. only 1 and 3 are correct.
• B. 1, 2 and 3 are correct.
• C. 1, 2 and 4 are correct.
• D. 1, 2, 3 and 4 are correct.