Answer:
Evolution, mutation of genes
Explanation:
Evolution is the primary reason of undergo changes in speicies.There is also another reason why, which is the genetic mutation a creature has, like a toad becomes albino.
She observes solubility - the ability of the substance to dissolve in e.g. the liquid.
Answer:
At the bottom when they hit the ground.
By looking at each ones texture. and maybe even color
Answer: Approximately 3.65 hours
Explanation:
55 km/h x 3.65 hrs = 200.75 Km/h