Which of the following questions would NOT be an appropriate scientific question that could be tested through experimentation? Please Help
Question 4 options:

What impact does pollution have on the colors seen in rainbows

What is the most popular color?

What affect does color have on moods?

Which brand of crayons has the brightest colors?

laticia draws the diagram below to show earth’s magnetic field.

answer

the arrows to the right of earth should point up.

where’s the list ? the question is incomplete

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia