Well our bodies get the energy they need from food through metabolism. So the answer is food
Answer:
The respiratory system's main job is to move fresh air into your body while also removing waste gases.
Explanation:
Your lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe.
Answer:
Methods Of Separating Mixtures
Handpicking.
Threshing.
Winnowing.
Sieving.
Evaporation.
Distillation.
Filtration or Sedimentation.
Separating Funnel.
Mixtures can be separated using a variety of techniques. Chromatography involves solvent separation on a solid medium. ... Evaporation removes a liquid from a solution to leave a solid material. Filtration separates solids of different sizes.
I think they can help the birds my the climate