Answer: When studying a rock sample, geologists observe the rock's mineral composition, color, and texture.
Explanation:
Because of Van Der Waals force the water molecules attract each other and stick together ...
Answer is number 1........
Answer:
Explanation: In facilitated diffusion, molecules diffuse across the plasma membrane with assistance from membrane proteins, such as channels and carriers. A concentration gradient exists for these molecules, so they have the potential to diffuse into or out of, the cell by moving down it.
Answer:
the cell walls present in prokaryotes and eukaryotes r thick and give them shape
