What does forward bias on a diode mean?

Explanation: When the p-type side of the diode is connected to a higher potential than the n-type side, the diode is then forward biased, because it enhances the capability of the diode to conduct forward current.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.