Answer:
The Law of Conservation of Mass tells us that matter is neither created nor destroyed during a chemical reaction. Atoms can be rearranged to form new compounds, but the total mass of the system remains constant.
Answer:
it is the amount of soil, sunlight, and the music they listen to
control variables are the elements that are always constant and not changed throughout the experiment.
Primary consumers enrich the soil,which help plants to grow and create more food energy for all of us.
I believe that would be estrogen.
It’s true (a) because bones become brittle and easier to break if theyre not used. bones more frequently used become stronger.