Answer:
higher altitudes have a lower level of oxygen which in turn, trains your lungs to hold and breathe more oxygen which also helps you cycle, run, etc. longer than usual
Explanation:
Answer: Climate change
Explanation:
UN Climate Action Summit 2019 was organized in 2019 to discuss the domain of global climate change research. According to this dangerous impact of climate will influence the growth of new generations to come. This included various participating organizations like World Meteorological Organization, Panel on Climate Change, Earth league and global framework, UN Environment, Global carbon project and others.
Answer:
Birds require high levels of oxygen and, therefore, high rates of gas exchange due to flight demands. Avian resting oxygen consumption is high compared to that of mammals and other vertebrates, and this increases even more during the flight.
Explanation:
Compared to mammals, birds have specific adaptations of the respiratory system that result in higher levels of oxygen exchange.
It’d be at least 70 million years.
Answer:
Most genes contain the information needed to make functional molecules called proteins, The journey from gene to protein is complex and tightly controlled within each cellTogether transcription and translation are known as gene expression.
Explanation:
learned it in middle school
