Why is it important for scientists to replicate each other’s experiments? to determine if important scientific results are repeatable to help the research of other scientists to determine if slight alterations in the experiment can affect the result to further their own research

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

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?