Hello,
I believe you're asking which option is true. If so, A) do not require a medium. Unlike mechanical waves, electromagnetic (or light) waves do not require a medium. It has been proven that light travels in a straight line. Light waves are, in fact, electromagnetic radiation, and they can travel in a vacuum.
Faith xoxo
Answer:
glycolysis is a process that fuel your metabolism. it is apart of cellular respiration the process that produce atp.
Explanation:
Graduated Cylinder. A graduated cylinder measures volumes of liquids.
They will be clean from all salt because the new water contains no salt
Answer:
Metamorphic rocks are changed by the heat and pressure inside Earth.
Explanation: