A tree is considered to be a closed system. This is because the veins and roots are all enclosed within the tree's structure.
I says open my business tree.
Closed. Except for the rare case of humans launching objects into space and meteorites striking the planet (which represent an incredibly miniscule fraction of the total carbon), the amount of carbon in the system remains at a constant mass.
Tree of Life Christmas Tree Open House - 2013 was released on: USA: 1 June 2013
It's an open systerm. If we look at any organism as a system that needs and uses energy, we can see what would happen if the energy supply was cut off. The system would fail due to lack of the necessary energy to meet its needs. This type of system is considered a closed system. No new energy can enter, while the available energy is changed into useless heat, causing the system to fail.
The Neem tree has a primary taproot system with a secondary adventitious surface root system
Dollar Tree is usually open all Holidays (though with limited operational hours) with the exclusion of Christmas Day.
The light bulb is a closed system: no mass transfer.
there is a dollar tree in Canada maybe in 2015
open system
The system is open.
No. It cannot. Because a transport system only makin a tree to survive.