Once this initial energy is added, the wave travels through the medium until all its energy is transferred. In contrast, electromagnetic waves require no medium, but can still travel through one.
The answer is the pigment red
<span>is warmer then the north and the south poles</span>
Answer : For clients when vanillylmandelic acid (vma) test is scheduled the important instructions should be ;
1. Avoid caffeine for 72 hours.
2. A 24 hour urine specimen requires starting with an empty bladder.
3. Limit physical exercise throughout the test.
4. A preservative will be added to the collection container so no ice is required.