Which greenhouse gas released by refrigerators and air cooling systems causes global warming?

When plants use sunlight to make food, the energy of sunlight is

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6