No system is closed off by it surroundings.
Answer:
I think it's A- phylum, hope this helps
Answer:
geologist is a scientist who studies the solid, liquid and gaseous matter that constitutes the Earth and other terrestrial planets, as well as the processes that shape them.
Answer:
prob cellular respiration
Explanation
the first part is sugar and oxygen which would result in the second part, carbon dioxide, water, heat, and usable energy. aka reactants to the products
It would most likely be from Chemical Changes
