Nutrients enter a cell with the concentration gradient by the process of diffusion.
I hope this helps!
Question 11 :........ultraviolet has high frequency.
..........ultraviolet has higher radiant energy
question22 :......the instruments can better view the universe without the disruction of electromagnetic rays emmited by the earth.
......the instrument can get closer to the object they are observing at the extreme end of universe.
And question 14 : Light speed up as it passes from air to water causing an interruptionin the light ray that create the image.
Light bends as it passes at an angle from one medium into another,causing the image to appear bent.
(it's not 22 question it's 12 question sorry).
I only know that.
Answer: what are you asking in this question?
Explanation:
The troposphere is the first layer above the surface and contains half of the Earth's atmosphere. This is where weather occurs.
Answer:
Stem cells
Explanation:
These cells will speacialise into specific functions over time