2.
what did ptolemy’s book almagest focus on?
a the changes of the signs of the zodiac over the last 2000 years
b observations of the sun over the previous decade
c alchemy and the search for medicines during the previous century
d planetary observations over the previous 800 years

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602