If about 30% is A then 30% is T. That leaves 40% to be G + C...so each must be around 20%.
Answer:
Some of the similarities between the planet Uranus and Neptune are:
- Both the planets have many similarities in their internal structures.
- The internal structure of both the planets is made up of water, ammonia gas and methane gas.
- Both Uranus and Neptune have an Earth- sized solid center.
- The atmosphere of both the planets comprises of the gases, hydrogen, helium and methane.
- Due to the presence of methane gas, both the planet Uranus and Neptune have the same blue colour.
<span>Aquatic organisms and the physical and chemical components of their environment are inseparably inter-related and interact with other. Flow and water chemistry are the primary factors governing life in riverine habitats, and both are closely related to seasonal variations.</span>