Observation the action or process of observing something or someone carefully or in order to gain information:
Scientists often perform experiments to check and recheck their work. They also redo these experiments to ensure correct results.
I think Number C is right because Since the organism eukaryotic we can safely assume that it is neither an archaea nor a bacteria since they are both prokaryotes. Secondly, since it can not photosynthesize, it can't be a plant because all plants can photosynthesize. The presence of a cell wall tells us that it can't be an animal cell since they lack cell walls. Therefore, the organism found is a fungus-like protist. Fungi are prokaryotic cells that are unable to photosynthesize and they have cell walls.
The troposphere is the atmospheric layer closest to the planet and contains the largest percentage (around 80%) of the mass of the total atmosphere.
Hotspots can appear in oceans around the world or anywhere there is a hotspot they don't need to be near plate boundaries like most volcanos
