Answer:
this option is the correct they move to an area with lower oxygen concentration because gas molecules can pass through semi-permeable and do not need transport proteins for the movement
Explanation:
i hope this will help you
Answer:
Adding an acid increases the concentration of H3O+ ions in the solution. Adding a base decreases the concentration of H3O+ ions in the solution. An acid and a base are like chemical opposites. If a base is added to an acidic solution, the solution becomes less acidic and moves toward the middle of the pH scale.
Easy the partial pressure is the 0.9883 as the linguistic compound of the average element of the shell is the same as the boron
Gas, would be spread out everywhere, liquid would be loose, and solid would be compact tightly.
Answer:
Density, 
Explanation:
Mass of a marble slab is 38.6 kg 38600 grams
The dimensions of the marble is 17 cm×23 cm×4 cm
We need to find its density. Mass per unit volume equals density. So,

So, the density of the marble slab is 