I have the same problem with the power going out and you have to reset the fridge to come back on. Called samsung and it is in demo mode and there is no way around it. I ve been on vacation several times only to come home to my ice cream melted all over my hard ood floor!
Nitrogen (N2) makes up about 80% of the atmosphere but plants are unable to take in nitrogen from the atmosphere. Most plants can only absorb nitrogen in the form of nitrates
Most of this oxygen comes from tiny ocean plants â called phytoplankton â that live near the waterâs surface and drift with the currents. Like all plants, they photosynthesize â that is, they use sunlight and carbon dioxide to make food. A byproduct of photosynthesis is oxygen. Scientists believe that phytoplankton contribute between 50 to 85 percent of the oxygen in Earthâs atmosphere. They arenât sure because itâs a tough thing to calculate. In the lab, scientists can determine how much oxygen is produced by a single phytoplankton cell. The hard part is figuring out the total number of these microscopic plants throughout Earthâs oceans.