er:
Explanation:
In the lungs CO2 is removed from the blood and send out the body where we exhale
Answer:Four spheres of earth are:1)Lithosphere(land) 2)Hydrosphere(water) 3)Biosphere(living things) 4)Atmosphere(air).
Energy and matter flow through Earth's four spheres.Energy flows through the atmosphere and hydrosphere mostly by convection.The continuous cycling of matter and energy through earth's system makes life on earth possible .Others are driven by energy from the sun.
Explanation:
the answer is B ik this because i ahd this in a quick quiz
It is important because it breaks down the food eaten by the animals into nutrients which are needed for their bodies to function well. Not only it is important to animals but also to humans. <span>Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body.</span>
Answer:
lichens and bacteria also fungi are all example of pioneer species
Explanation: they are because of where they live how they grow and why they do what they do to help the environment.
