Copper is an element that is used in electrical wires. What is the smallest unit of copper that maintains the characteristics of copper? the atoms
O the proton
O the nucleus
O the electron
O the atoms

there is none because earth is stationary and flat.

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?