A tiny solid suspended in the athmosphere
The sunlight provides energy for the plants to grow. <span>Since it is a closed system, no water would be lost, so it is not necessary to add extra water. </span>
DNA is the main type of genetic material found in a cell. In addition,
it is found in the nucleus of the cell, so (D) is correct. DNA in the
nucleus is used in replication (through mitosis and meiosis) via
daughter cells to continue cell growth.