What are the two types of kinetic friction? In general, the friction is of the following two types: (1) Static friction. It is the friction, experienced by a body, when at rest. (2) Dynamic friction. It is the friction, experienced by a body, when in motion. (a) Sliding friction. (b) Rolling friction. (c) Pivot friction. […]
What is heat What are the various sources of heat?
What is heat What are the various sources of heat? The heat energy which is obtained from earth is called geothermal energy. It can be found in hot water and rocks present underground. Heat is also found in the form of molten rocks and magma, deep inside the Earth’s crust. Air is also an important […]
Why are fossils so important?
Why are fossils so important? Fossils of any kind are useful in “reading the rock record,” meaning they help us decipher the history of the earth. They can help us determine the geologic age and environment (the paleoenvironment) in which they were deposited. What are the five types of fossils? Five different types of fossils […]
What is the SI unit of current?
What does it mean when a force is balanced?
What does it mean when a force is balanced? Balanced forces are equal in size and opposite in direction. When forces are balanced, there is no change in motion. In one of your situations in the last section, you pushed or pulled on an object from opposite directions but with the same force. What is […]
What is hydrogen bonding explain with example?
What is hydrogen bonding explain with example? : an electrostatic attraction between a hydrogen atom in one polar molecule (as of water) and a small electronegative atom (as of oxygen, nitrogen, or fluorine) in usually another molecule of the same or a different polar substance. Other Words from hydrogen bond Example Sentences Learn More about […]
How does a neurotransmitter affect behavior?
How does a neurotransmitter affect behavior? Nerve cells communicate messages by secreting neurotransmitters. Neurotransmitters can excite or inhibit neurons (nerve cells). Each neurotransmitter can directly or indirectly influence neurons in a specific portion of the brain, thereby affecting behavior. Can a damaged brain reorganize itself? Neuroplasticity: The brain’s ability to reorganize itself by forming new […]
Is pollution really a problem?
Is pollution really a problem? One of the greatest problems that the world is facing today is that of environmental pollution, which is causing grave and irreparable damage to the natural world and human society with about 40% of deaths worldwide being caused by water, air and soil pollution and coupled with human overpopulation has […]
How many photos should I take of evidence?
How many photos should I take of evidence? three photos What are the three types of photographs taken at a crime scene? To accomplish this, all crime scene photography consists of three basic types of photographs: overall, mid-range, and close-up. What are the four types of photos required at a crime scene? What three types […]
When ATP loses a phosphate is carbon dioxide released?
When ATP loses a phosphate is carbon dioxide released? When ATP loses one phosphate group, it becomes Adenosine diphosphate (ADP). When ATP loses two phosphate groups it becomes adenosine monophosphate (AMP). Many reactions in the cell are directly run by ATP. What happens when ADP gains a phosphate? ADP is combined with a phosphate to […]