Uranus and Neptune both have an axis on which they spin. Neptune axis is tilted by 28.32 degrees and Uranus axis is tilted by 98 degrees. Both these planets have blue color. Both Uranus and Neptune have 27 and 14 number of moons respectively. Uranus has 9 + several other faint rings and Neptune has 5 rings only. Both the planets are extremely cold. Neptune has a temperature of -221 degree Celsius and Uranus has a temperature of -224 degree Celsius
The best answer to the question that is being presented above would be letter a. The poplar trees used by the company and its factories which are genetically engineered would be used for phytoremediation. They use poplar trees to replenish the nutrients lost around the factories.
