Few terrestrial animals can survive in the Arctic region. Most of them need a thick coat of fur or fat to survive. Based on this information, which factor seems to primarily affect animals life in this biome? A. Rainfall
B. Salinity
C. Soil depth
D. Sunlight
E. Temperature

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Compare and contrast the bohr model and the electron cloud models of the atom.

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.