Mars and Mercury have no liquid iron left in their cores. Why are their cores totally solid? class: earth space science

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level. a. a lower energy thanb. a higher energy thanc. the same energy as

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

What is one energy transformation that is taking place in the photo? radiant energy to thermal energy thermal energy to nuclear energy chemical energy to thermal energy radiant energy to chemical energy