Explain the process that causes day and night

At which location in earth’s interior does the top density continue to increase as thickness decreases?

What problem would a person most likely have if her kidney did not work correctly?

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?