Please help!! this is science btw haha

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Describe the layers of the suns atmosphere?

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?