The reason as to why most common observers of the ocean fail to observe ocean currents is because ocean currents take place under the water. Ocean currents are seasonal movements of sea or ocean waters generated by forces acting upon the mean flow, such as wind, the breaking waves, salinity differences, cabbing among others.
Plants mainly need Sunlight, Water, and Carbon Dioxide(Co2) to survive and be healthy.
I believe plant cells because the only cells that have walls are plant cells and cellulose is strong and will help remain its shape.
Answer: B.
The chemical formula does not show how the atoms are connected to one another.