Answer:
1:1
Explanation:
What is the concentration of H+ ions at a pH = 7?
⇒ 0.0000001 mol/L
What is the concentration of OH– ions at a pH = 7?
⇒ 0.0000001 mol/L
What is the ratio of H+ ions to OH– ions at a pH = 7?
1 :1
Pyrite, Wulfenite, Pyromorphite, Topaz, Gypsum, and Feldspar.
The greater the surface area of a cell, the faster the cell can transport materials across its membrane because there is more area to absorb/excrete materials. We also want the surface area much higher than the volume of a cell. the more volume a cell has the slower the transport of diffusion will be. If the cell is smaller because it has a higher surface area than it does volume. Because of this larger SA:V ratio, smaller cells will transport materials faster.
Answer:
A Y-chromosome
Explanation:
Males have one X and one Y chromosome