The true statement is that it evidences the dramatic negative results every time when the poles of the magnet get reversed.
Option D
<u>EXPLANATION: </u>
There are two poles: North and South Pole in Earth's magnetic field. When lava erupts at mid-ocean ridge, it cools and becomes a hard rock. During this process of cooling, the rock becomes magnetised.
Scientists have discovered that the magnetic field of Earth has been reversed in direction hundreds of times, which means that the polarity of North pole and South pole reverses.
Due to this reversal, a pattern of magnetic stripes is created in symmetry on both sides of the mid-ocean ridges.
The main functions of mitosis are growth and repair. Some cells once fully formed do not undergo cell division, such as nerve cells and muscle cells. Since you can never re-grow or repair these types of cells once they are mature, you must take care of the ones you have.
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The appropriate answer is doing. All of the above. Heavy metals are sometimes used in agricultural chemicals and can contaminate both terrestrial and aquatic ecosystems. Heavy metal concentrations can build up overtime as industrialization progressed. Chemical spills can introduce heavy metals to ecosystems quickly with devastating effects.
The uterine lining of the female's uterine cycle is shed during the menstrual phase. Menstrual cycle is a reoccurring cycle which begins at menarche and ends at menopause. During menstrual cycle, the endometrial lining prepares for pregnancy.
Answer:
Glucagon signals the liver to start producing glucose.
Explanation:
Glucagon signals the liver to start producing glucose from the breakdown of amino acids through gluconeogenesis process. When the glucose level decreases in the body due to fasting or starvation, the pancreas release glucagon which provides signals to the liver to produce glucose form non carbohydrates substances present in our body. This production of glucose increases the concentration of glucose in the blood and the body used this glucose for the generation of energy molecules in the form of ATP.
