Answer:
The skeletal system
Explanation:
The skeletal system makes up the framework of the body and allows us to move when our muscles contract. It stores minerals (e.g. calcium, phosphorous) and releases them into the body when they are needed. The skeletal system also protects internal organs and produces blood cells. It is this skeletal system responsible for interacting to produce this work of art
When a factory is emitting large amounts of CFCs into the atmosphere, it affects the people in that area by the increase in the level of ocean water. CFCs dissolve in seawater and because they are not reactive, they just circulate until it becomes saturated.
A factory that is emitting large amounts of CFCs into the atmosphere might affect people by the increase in the rate of skin cancer.
Chlorofluorocarbons (CFCs) are substances carbon, chlorine, hydrogen and fluorine, which may harm the ozone layer.
In conclusion, a factory that is emitting large amounts of CFCs into the atmosphere might affect people by the increase in the rate of skin cancer.
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Diagram A will illustrates the first stage of mitosis is: Prophase. Prophase is the first stage of mitosis, and it is a crucial step in cell division where several significant events occur.
Prophase in Mitosis:
Prophase is marked by several key events:
Chromatin Condensation: At the beginning of prophase, the genetic material within the cell's nucleus, known as chromatin (a complex of DNA and proteins), starts to condense. The long, thin strands of chromatin become more tightly coiled and compacted, forming visible structures called chromosomes. Each chromosome will consists of two sister chromatids connected by the centromere.
Nuclear Envelope Breakdown: In many eukaryotic cells, including animal cells, the nuclear envelope, which surrounds the nucleus, begins to break down during prophase. This will allows the spindle fibers to access the chromosomes.
Spindle Fiber Formation: Structures called spindle fibers (microtubules) start to assemble within the cell. These fibers extend from the centrosomes, which are specialized regions of the cell that organize the spindle apparatus. The spindle fibers will play a critical role in moving the chromosomes during later stages of mitosis.
Centrosome Movement: In animal cells, the centrosomes (containing the centrioles) move to opposite poles of the cell. The centrosomes serve as organizing centers for the spindle fibers and help guide the movement of chromosomes.
Animal Cell: Animal cells lack a cell wall, chloroplasts, and a large central vacuole. If Diagram A does not show these features and has centrosomes or centrioles, it is more likely an animal cell.
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