How do animals get rid of carbon dioxide? What body system is involved with removing this waste?

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.

Creating new things to solve problems and improve life depends on the close interaction of which two fields?