A. oxygen atom
H2 O1
There are 2 hydrogen atoms and 1 oxygen atom
The source of the oxygen released into the air as a product of photosynthesis is C) Water only.
Condensation is the formation of clouds.
Explanation:
it should be around -11.5. you read the scale at the upper meniscus, and the readings are as follows:
from down to up:
-15, -14, -13, -12, -11, -10.