Which of these is not a layer of the skin? 1. dermis 2. epidermis 3. hypodermis 4. hyperdermis

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic

If you put a helium-filled balloon in the refrigerator, what will happen?

The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?