Redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum
Part A done, you will find the answers below.
<u>Hope this helps!</u>
Answer: The plant becomes self-sufficient when leaves grow onto it.
Explanation: The leaves will start photosynthesis instead of the Cotyledons providing nourishment for the seed.
Matter/atoms.....?
If I remember correctly, then tht would be the answer