What was the first source of oxygen? blue-green algae Why do cells need nitrogen? Nitrogen is a crucially important component for all life. It is an important part of many cells and processes such as amino acids, proteins and even our DNA. It is also needed to make chlorophyll in plants, which is used in […]
Why is my car losing power when I accelerate?
Why is my car losing power when I accelerate? There are many reasons why your vehicle may be losing power, especially when accelerating. Some of these common causes are: Mechanical problems such as: Low compression, clogged fuel filter, dirty air filter, clogged Exhaust Manifold. Malfunction of actuators such as: Bad injectors, bad fuel pump, bad […]
What is the main idea of the activation-synthesis theory?
What is the main idea of the activation-synthesis theory? The main idea behind activation-synthesis theory is that dreams are just the brain’s efforts to make sense out of meaningless patterns of firing in the brain as we sleep. Certain circuits in the brain become activated during REM sleep. How does the activation-synthesis hypothesis explain dreaming […]
What is an example of law of acceleration?
What is an example of law of acceleration? Newton’s Second Law of Motion says that acceleration (gaining speed) happens when a force acts on a mass (object). Riding your bicycle is a good example of this law of motion at work. Your bicycle is the mass. Your leg muscles pushing pushing on the pedals of […]
What is the slope of a 45 degree line?
What do you mean by angular position?
What do you mean by angular position? : the orientation of a body or figure with respect to a specified reference position as expressed by the amount of rotation necessary to change from one orientation to the other about a specified axis. Is angular position a vector? Angular velocity is a vector quantity and has […]
What are the 7 principles of xeriscaping?
What are the 7 principles of xeriscaping? Seven Principles of Xeriscapingopen_in_new Sound landscape planning and design. Limitation of turf (commonly referred to as lawn) to appropriate, functional areas. Use of water efficient plants. Efficient irrigation. Soil amendments. Use of mulches. Appropriate landscape maintenance. How can xeriscaping help save water? It’s called Xeriscaping. Pulled from the […]
Is Power is a vector quantity?
Is Power is a vector quantity? Vector of scalar? As power doesn’t have any direction, it is a scalar quantity. Also, power is the ratio of two scalar quantities. Is scalar quantity can be negative? Scalar quantity can never be Negative. Because scalar got only magnitude not direction. And magnitude cant be negative. Is scalar […]
How a force can stop a moving object?
How a force can stop a moving object? The force stopping the object’s motion might be an obvious one – the ground! Friction is a force that slows or stops motion. Friction is the resistance to motion created by two objects rubbing against each other (the sled and the snow, for instance). Even air causes […]
What is the largest branch of psychology?
What is the largest branch of psychology? Clinical Psychology Clinical psychologists What does psychology say about depression? Depression, in psychology, a mood or emotional state that is marked by feelings of low self-worth or guilt and a reduced ability to enjoy life. What are the psychological causes of depression? Causes – Clinical depression Stressful events. […]