I would say that housing availability, inadequate services, pollution and migration from rural areas all present challenges to the regional urban areas but not reduced population. If there is migration to the cities then these above three problems must be dealt with to accommodate the new citizens.
Answer:
Base on earth's structure, process and geologic history.
Explanation:
There are various planets in outer space that are considered analogous to that of earth or the Earth-like the planet like <u>Kepler-22b. Kepler-69c. Kepler-62f and Kepler-452b</u>. These Earth-like planets are called as G and K stars. like venus which is considered a twin of earth. These planets are considered to be 50% like earth but differ based on temperature and Terraforming is going to be what might be influencing the future of the explorations. Which is a hypothetical process of deliberating modifying the atmospheric conditions to make it habitable for man.
Light colored igneous rock is called felsic, it is high in quartz, muscovite mica, and orthoclase feldspar content. Dark colored igneous rock is called mafic, and contains a lesser amount of silica along with olivine, pyroxene, amphibole, biotite mica, and plagioclase feldspa
<span>Light coloured igneous rocks (felsic) tend to have greater silica and aluminum content and a lower iron and magnesium content than dark (mafic) rocks.</span>
It comes from the Pacific Northwest region.