The maximum CO2 tolerance level for humans in a closed environment is around 0.5 to 1 before it starts to become harmful and affect cognitive function and overall health.
The maximum frequency that humans can hear is typically around 20,000 Hz.
Humans modify the environment in Egypt
Closed systems typically do not exist on Earth because natural systems are influenced by external factors like energy and matter exchange with the surrounding environment. However, humans can create closed systems, such as a sealed terrarium where all matter is contained and recycled within the system. Another example is a spacecraft in outer space, which is designed to largely operate independently from Earth's environment.
Humans are the one that are affecting environment the most. They have evolved with technology has left the environment behind.
There is no "maximum" height for humans. However, the "usual" height is around 6 feet. This all depends on not only genetics, but your level of exercise and level of nutrition as well. Your ethnicity and environment also play a part.
Anything in the environment that humans use is a natural resource.
Love of all humans, tolerance of all religions
Humans interact with the environment creating great change. The largest effect of how humans interact with this environment is the destruction of rainforests.
Yes, the term 'environment' can include humans as well. Humans are a part of the natural environment and are impacted by and have an impact on the surrounding ecosystems and natural resources. Thus, considering humans as part of the environment is important in understanding the interconnectedness of all living beings.
Bears in their natural environment are not a problem. When humans enchroach on this environment, humans create problems.
Humans interact with the environment by harvesting crops, building infrastructure and breathing. The environment interacts with humans through erosion, the water cycle and weather patterns.
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