What do all viruses have in common? Choose more than one answer.
They infect living cells
Their main goal is to replicate
O They have a crown-shaped outline
O They require hosts to survive
They cause serious illness
O They come from the same part of the world

Which answer lists the fundamental forces in order from strongest to weakest

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

Why do oxygen have a strong attractive force for electrons