Spacecrafts need internal oxygen supplies because there is no oxygen in space.
the ocean produces the most oxygen we need
Oxygen. It supports combustion.
Anaerobic bacteria don't need oxygen to grow.
No, but most fuels need oxygen to burn.
yes, they need oxygen
Reptiles do need oxygen
If the vehicle was built with an oxygen sensor, you will need an oxygen sensor.
Floran fish need oxygen other wise it will death . so always need oxygen
Spacecrafts need internal oxygen supplies because there is no oxygen in space.
Name two processes that we need oxygen
Yes they do. All animals need oxygen.
Yes, all living things need oxygen.
the ocean produces the most oxygen we need
Mammals need oxygen to breathe. Oxygen is a gas that is in the air. Without oxygen, mammals cannot live long.
because they are just like human beings. we need oxygen.
We don't know !!!! But i think the "dead" does not need oxygen though