2. The density of gas particles in a section of Earth's atmosphere decreases. Which of the following is the most likely explanation for this event? (2 points) The air pressure in that section of Earth's atmosphere decreased.
The air pressure in that section of Earth's atmosphere increased.
The total number of gas particles in Earth's atmosphere decreased.
The total number of gas particles in Earth's atmosphere increased.

The phylogeny chart shows the evolution of camels. camelus is the modern-day camel. based on this chart, which three statements are true? ⭕ modern camels are more related to stenomylus than to eschatius. ⭕ stenomylous and modern camels do not share a common ancestor. ⭕ modern camels are more related to camelops than to aepycamelus. ⭕ pliauchenia and oxydactylus may share similar features. ⭕ procamelus and stenomylous may share similar features.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Apart of an ecosystem that can restrict the growth of a population is referred to as