<span>So far, astronomers have found more than 500 solar systemsand are discovering new ones every year. Given how many they have found in our own neighborhood of the Milky Way galaxy, scientists estimate that there may be tens of billions of solar systems in our galaxy, perhaps even as many as 100 billion.</span>
Texas and Alaska has the two of the largest petroleum reserves
A factor in determining the carrying capacity of a city's environment is the water resources available to meet city needs. This is assuming this is one of the following city needs in this question. This is the only answer that pertains to the environment.
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Answer:
They cause climate change by trapping heat, and they also contribute to respiratory disease from smog and air pollution.
Explanation:
Extreme weather, food supply disruptions, and increased wildfires are other effects of climate change caused by greenhouse gases.