True. A theory arises from certain phenomena or scenarios out of observation in an effort to explain why they occur, though they are yet to be proven.
Explanation:
Urban regeneration projects are those with the aim of renovating an urban space through the reconstruction and revitalization of old buildings and the entire infrastructure of the city, especially historic cities, such as Portugal for example, where there is a decree that institutes regeneration as a way of bringing benefits to people and the environment, such as greater safety, greater innovation and modernity, more technological means of transport, greater environmental protection, greater leisure capacity, infrastructure, etc.
By size: Russia, China, India
Answer: Ok so i did some research and this might just help you out: Hot Jupiter's are a class of gas giant exoplanets that are inferred to be physically similar to Jupiter but that have very short orbital periods (P<10 days). Scientist never would of though this was possible to have the almost alike planet but in a different form of gases. Scientists were shocked by the characteristics by these planets and were surprised how hot they got.
A thank and a brainlist would be greatly appreciated :)
