Answer:
new technologies developed within (or based on the initiative of) a country through research, development, and demonstration
Explanation:
O2 (oxygen) is not needed for photosynthesis to occur.
There is exactly <u><em>two</em></u> membranes that surround the chloroplast.
Number 5 would be the best awnser.
As a scientist who remains impartial can more accurately conclude his data while doing experiments.
The object is balanced against standard units of mass