Question: Scientists have shown that:
Most of the mass of the glucose molecules produced by
photosynthesis …



Scientists have shown that:

Most of the mass of the glucose molecules produced by
photosynthesis comes from CO2 and very little from
H2O.

Plant mass increases significantly with growth, but the mass of
the soil that the plant is growing in does not change (it does not
decrease).

Energy is not converted to matter in biological processes like
photosynthesis.

Using this information, think about each of the opinions listed
in the table below. Explain why you agree or disagree with each of
these opinions.

Opinion

Agree or

Disagree

    Reason You Agree or
Disagree

Much of the mass of the tree came from nutrients in the soil
that were taken up by the plant’s roots.

Much of the mass of the tree came from the sun’s energy.

Much of the mass of the tree came from molecules in the air that
came in through holes in the plant’s leaves.

Much of the mass of the tree came from water taken up by the
plant’s roots.

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