D is the correct answer :).
The four inner planets have slower orbits, slower spin, no rings, and they are made of rock and metal. The four outer planets have faster orbits and spins, a composition of gases and liquids, numerous moons, and rings. The outer planets are made of hydrogen and helium, so they are called gas giants.

Cellular homeostasis involves maintaining a balance of several factors that make a cell healthy. The cell membrane is a lipid bilayer that prevents that passage of water and ions. This allows cells to maintain a higher concentration of sodium ions out the outside of the cell.
The cell grows,then separates,then prepares for mitosis
Explanation:
environmental environmental impacts of mining can occur at local, regional,and global scales through direct and indirect mining practices. impacts impacts can result in erosion, 5 roses, loss of biodiversity, order contamination of soil, groundwater groundwater,and surface water by the chemical limited from mining process. Europethese processes also have an impact on the atmosphere from the emissions of carbon dioxide which have effect on the quality of human health and biodiversity.
