How are elements in the nitrogen family ( group 15) similar to each other

Can someone me with 1 to 4 plz. fast

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.