I think the answer should be deforestation.
According to some academics, the Bubonic Plague improved considerably many aspects in Europe. European cities began to improve the health conditions in both the streets and homes. Drainage and sewerage services began to be used in order to prevent future plagues.
The reduction in the population also affected the economy of some European countries in a positive way. The working force was considerably reduced, causing a greater demand for workers and increases in wages. Therefore, the purchasing power of the people increased as well as the standards of living.
The quality of the fields also improved considerably. The decrease in the population reduced the need to cultivate quickly, so the crops had more time to be harvested. Also, with a reduction in the number of people who inhabited the land, there was more space in lands to be cultivated. As a result, the population was able to acquire better-quality products.
Shield volcanoes<span> are formed by lava flows of low viscosity - lava that flows easily. Consequently, a volcanic mountain having a broad profile is built up over time by flow after flow of relatively fluid basaltic lava issuing from vents or fissures on the surface of the </span>volcano<span>.</span>
D. animals are also pollution contributors. Their waste and the methane that they produce harm the atmosphere as much as other pollution contributors.
Answer:
Hence, required answer is 120
Explanation: Haploid number is 60.
Diploid number = 2x haploid = 2 x 60 = 120
