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Pollination is best defined as

a)transfer of pollen from anther to stigma

B)germination of pollen grains

C)growth of pollen tube in ovule

D)visiting flowers by insects

45×13+3+6=? 

X+5=10 evaluate value of x

Where does the majority of biomass in a tree come from?

a. water in the soil

b. nutrients in the soil

c. orgainic carbon in the soil

d. CO2 in the atmosphere

e. solar radiation

Plants receive their nutrients mainly from

A)chlorophyll

B)atmosphere

C)light

D)soil