What is the function of a diode? A diode is a semiconductor device that essentially acts as a one-way switch for current. It allows current to flow easily in one direction, but severely restricts current from flowing in the opposite direction. What is the two main function of a diode? Main functions The most common […]
Which river is an example of an old mature river?
Which river is an example of an old mature river? A mature river is fed by many tributaries and has more discharge than a youthful river. Its channels erode wider rather than deeper. Examples are the Mississippi, Saint Lawrence, Danube, Ohio, Thames and Paraná rivers. Old river: A river with a low gradient and low […]
What happens first in the life of a plant?
What happens first in the life of a plant? Life Cycle. The plant starts life as a seed, which germinates and grows into a plant. The mature plant produces flowers, which are fertilised and produce seeds in a fruit or seedpod. The plant eventually dies, leaving seeds which germinate to produce new plants. What happens […]
Why the second law of thermodynamics is needed?
Why the second law of thermodynamics is needed? The Second Law of Thermodynamics is about the quality of energy. It states that as energy is transferred or transformed, more and more of it is wasted. The Second Law also states that there is a natural tendency of any isolated system to degenerate into a more […]
Do plants do cellular respiration at night?
Do plants do cellular respiration at night? Plant Respiration And Photosynthesis Formula Plants respire all the time, day and night. But photosynthesis only occurs during the day when there is sunlight. Do plants do both photosynthesis and cellular respiration? Plants carry out both photosynthesis and cellular respiration. They make their own food, and then break […]
What are the 10 core American values?
What are the 10 core American values? Core American Values Equal Opportunity. Achievement and Success. Material Comfort. Activity and Work. Practicality and Efficiency. Progress. Science. Democracy and Enterprise. What are the 5 core American values? In this lesson, we will look at six of these core values: liberty, self-government, equality, individualism, diversity, and unity. What […]
How does barbiturates affect the brain?
How does barbiturates affect the brain? Barbiturates increase the activity of a chemical in the brain that helps transmit signals. This chemical is known as gamma amino butyric acid (GABA). As a medication, they reduce muscle spasms, relieve anxiety, prevent seizures, and induce sleep. What are examples of psychoactive? Alcohol and cocaine are examples of […]
Does a brown recluse have 6 legs?
Where does vasoconstriction occur during exercise?
Where does vasoconstriction occur during exercise? When a person takes part in exercise their face can become pink due to vasodilation of the blood vessels close to the skin’s surface. In the cold, blood vessels at the skin’s surface close. This process is called vasoconstriction and takes blood away from the surface of the skin […]
What do reverse faults create?
What do reverse faults create? (A) Reverse faults display severe damage in the form of landslides over the fault trace caused by the inability of the hanging wall to support the overhang caused by the fault displacement, folds, and compression features within the fractured hanging wall, and compressional block tilting. What effects do these faults […]