Actually a living thing is not a system. Every part of our body, like our lungs brain or heart, can be seen as a separate system. Therefore we are giant arrays of systems working together to keep you alive
Because the moon is significantly smaller than earth,
Its gravitational pull is also smaller and weaker.
So he weighed much less on the moon than he did on earth because of the change in gravity
Reactions involving fire are typically characterized as combustion reactions in which a material is oxidized, producing carbon dioxide, water, and carbon monoxide in some incomplete combustion reactions.
Lymphocytes is the answer.
When a animal changes their body over long periods of time with mating with other species to develop different characteristics.
