I’m pretty sure the first one is weathering and the second one is deposition
They are made from igneous, metamorphic and sedimentary rock.
Answer should be A system
It’s gases. Gas particles are always moving around. They have no fixed position and so they have high energies. Density depends on how many particles are present, so if the gas particles move around freely there will be very less density, but if you compress them their particles will increase in number thereby increasing the density
A. Oxygen
You add oxygen to glucose to complete the steps
