The electric current in common wires is made up of

A. ions.
B. electrons.
C. protons.
D. all of the above


Answer: B

Environmental & Atmospheric Sciences

You might also like to view...

In core economies, which of the following dominate the food production process?

A) consumers B) transnational corporations C) government officials D) agricultural workers

Environmental & Atmospheric Sciences

Hydrothermal vent communities are unusual because

A) a primary producer synthesizes organic matter. B) a producer exists without sunlight. C) a consumer eats a producer. D) there are no producers in the ecosystem.

Environmental & Atmospheric Sciences

Which has a higher porosity: sand or sandstone? Why?

What will be an ideal response?

Environmental & Atmospheric Sciences

Papers that are published in a scientific journal are examples of _____ sources

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences