The correct answer is B. Natural selection occurs through generations and is in which organisms best suited to their environment survive.
Answer:
Ratio = 
Explanation:
Side of a cube, a = 20 µm
The surface area of a cube, A = 6a² (a is side of the cube)
The volume of a cube, V = a³
The ratio of the surface to volume ratio of the cell will be given by :
So, the ratio of the surface to volume ratio of the cell .
Answer:
X and Y
Explanation:
Females are usually XX and Males are Ususally XY.
"Lapilli <span>are pyroclastic materials that are larger than ash but smaller than blocks or bombs.</span>"
Lapilli is pyroclastic material that has a dimention of 2 to 64 mm. Lapilli are of really low density what gives them the ability to be projected and taken far in a volcanic explosion. They start by being molten/semi-molten lava that solidifies as travelling through the air or reaching the water.
Animals are multicellular, we are heterotrophic
