Describe and explain how molecules of oxygen behave when the temperature is so low that the oxygen becomes a liquid. ( This is science ) Please tell me

Which of the following electromagnetic waves can create ions?

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

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.