<span>Vector control and Drug therapy are two other methods for controlling viral diseases. </span>
The correct answer is letter B. the closer the star, the larger the Parallax angle. This is an illusion that is made through visual perspectives of observers of stars. A parallax can also be used to find the distance to the stars that are relatively close.
<span>An unconformity is a break in the geologic record. These unconformities are created in cases when rock layers erode or sedimentation does not occur for a long period of time. </span>