Probably rectangular, because most plant cells are rectangular.
Yes, it does, but not the way people think. it doesn't gain it from the weight of all the people. the earth takes mass from elsewhere, as our population continues to grow.
Answer: C
Explanation:
The answer C sounds more like the way that you would describe the story to a friend, which would be very informal. Answers A, and B sound more like the way you might tell the story to your teacher in a report.
Hope this helps! <3
The lower density water occurs in the deep zone of the ocean.
This region of water is cold and stable. Cold water has a higher density as the water molecules are packed more closely together, so they occupy less volume. The difference in density of the regions of ocean is responsible for convection currents.