Category: Physics

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 […]

What are the 4 properties of metals? Properties of metals high melting points. good conductors of electricity. good conductors of heat. high density. malleable. ductile. What are the six properties of metals? Metals Lustrous (shiny) Good conductors of heat and electricity. High melting point. High density (heavy for their size) Malleable (can be hammered) Ductile […]

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 […]

What was the Beatles last hit song? The Long And Winding Road How do I know if my Abbey Road is original? Best way to tell if a record is genuine, firstly is by the Matrix number. Its engraved very small near to the label. It should be printed as if its done by hand […]

Which orbitals Cannot form a pi bond? dx2−y2+py sideways overlapping does not form π-bond as the two orbitals do not have proper orientation for the overlap. Was this answer helpful? Can pi bonds be formed in absence of sigma bonds? Yes, there exists pi bonds without coexisting sigma bonds. Here both the bonds of the […]

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 the SI unit of current? ampere How do you measure current in a DC circuit? It is measured in the unit of the Ampere, simply called “Amp,” (A). The most common way to measure current in a circuit is to break the circuit open and insert an “ammeter” in series (in-line) with the […]

Can a 7 year old start her period? Now the average age for a first period is closer to 12, with one University of Cincinnati study reporting that about 10 to 15 percent of girls enter puberty at age 7 or younger, a phenomenon known as precocious puberty. This is up from just 5 percent […]

How does the Industrial Revolution affect the evolution of the peppered moth? After the pollution from the Industrial Revolution started affecting trees, most of the collected peppered moths were of the dark form. Click for more detail. As the trees darkened with soot, the light-colored moths were easier to see. They lived longer and passed […]

Do all cells have cytoplasm? All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. Why do all cells have cytoplasm? Cytoplasm works in plant cells much like it does in animal cells. It provides support to the internal structures, is the suspension medium for the organelles and maintains the shape of a cell. What […]