Answer:
C) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere.
Explanation:
Electromagnetic waves do not require a medium to travel. they can travel through vacuum also. for example:- light wave is an electromagnetic wave and it can travel through vacuum also.
On the other hand, sound wave require a medium to travel. sound waves can not travel through vacuum.
I HOPE IT WILL HELP YOU?:-)
During exercise stroke volume increases because more blood is sent back to the heart due to the muscles squeezing blood in the veins
<span>The pancreas secretes digestive enzymes in the slender instincts, these enzymes produce endocrine secretions through the hormones and pass through the blood. Endocrine cells called pancreatic islets secrete insulin and glucagon and have endocrine functions that are formed through the hormones and pass through the bloodstream.</span>
Answer:
This is not a question we can answer, this is a question only you can answer because it is asking for your personal belief on wether alien's exist outside of earth or not.
Explanation:
James B. Connolly of Massachusetts was the first modern Olympic champion to be rewarded with a silver medal. He represented the Suffolk Athletic Club
