Answer:
A. Cells, tissues, organs, organ systems, organisms
Answer:
The experiment used water (H2O), methane (CH4), ammonia (NH3), and hydrogen (H2).
Explanation:
I think the scientific field was strengthened by his contribution, because scientists now had a standard and international way of reference to living species as opposed to the layman's names. This brought harmony in the field.
A. solar energy produced greenhouse gases