What do the letters Y and Z represent?
Study the diagram, which represents the general equation for
photosynthesis.
OY - glucose
Z-oxygen
O Y -glucose
Z-carbon dioxide
O Y - carbon dioxide
Z - hydrogen
O Y - carbofligdioxide
Z-oxygen
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Y represents carbon and z is oxygen which gives CO2

Explanation: To photosynthesis to occur Carbon has to reacts with oxygen to give carbondioxide (Co2) which then combines with hydrogen (H2) and oxygen to give water (H20) the reaction gives glucose (C6H12O6).

Equation for photosynthesis = 6CO2+6H20- C6H12O6

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do