Gather and eat fruit. They cried for their mother less than expected. The decrease in size from ralph down was gradual; and though there was a region that habited simon and robert abd Maurice never the less no one had any difficulty in reconizing biguns one end and the littluns at the other.
Hope this helps!
-Payshence
After the star's outer layers are expelled, the density of the remaining material is typically too low to provide adequate energy to sustain the hydrogen-burning shell's nuclear temperatures, and the remaining star easily contracts to form a white dwarf (a star with a density equal to the Sun, but a diameter equal to the Sun).
I can’t answer how lichens arrive in a barren landscape but I can answer the 2nd part
Lichens grow when exposed to water. When wet, lichens begin to photosynthesize.
A. light energy, above the arrow
<span>Photosynthesis is a process wherein light energy is converted into chemical energy. </span>
Components of photosynthesis:
Water
Carbon Dioxide
Light energy, mostly from sunlight, is the main requirement for photosynthesis to occur.
The first one is going to be b and the second one is going to be a