<em>A megaphone used by a cheerleader can allow people on the opposite side of a field to hear her better because;</em>
D. Solid objects can change the direction of sound waves; megaphones allow users to determine the general direction of the sound.
<u>Determination of the general direction of the sound lessens its dispersion and thus, it reaches the observers at a higher intensity, hence it being louder.</u>
Answer:
Yes, dogs do have a internal organization
Explanation:
(division of labour)
You will need to observe the moon for a month to see if the student's claim is correct.
This suggests subclinical deficiency
.
Subclinical deficiency is a condition in which a nutritional deficiency that is capable of having an effect on an individual’s health is not severe enough to produce typical deficiency signs and symptoms. Subclinical deficiency is discovered only by biochemical changes and it can change to clinical deficiency if it is not treated.
