Answer and Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached files
Answer:
it's related to the factors of diffusion, in this case...
the molecule is small, the mass of it is a factor of diffusion, since it's smaller, it can diffuse quickly, since it has less weight, so it moves faster.
When the cell increases in size, the volume increases faster than the surface area, when there is more volume and less surface area, diffusion takes longer and is less effective.
Answer:
The sun is nearly above you in the mornings, which makes your shadow short. In the evenings, the sun is nearly beside, infront or behind you, do you shadow is a lot longer.
Explanation:
Answer:
She should ensure that subjects are randomly chosen from the sample group to prevent biases. She should ensure that there are no confounders in her study or that confounders are accounted for, for example, age or year of study. Older students would be more likely to consume alcohol and also be more likely to have better academic performance, for example.
*they are similar because in both,
materials are transported in a solution form
they both involve using energy
*they are different because xylem depends on solar energy
phloem depends on respiratory energy
xylem transportations only goes down the plant
phloem goes up and down the plant