Parasite control is an important part of maintaining health, welfare and production and different parasites require specific control measures.
Answer:
i would use an comparing and contrasting structure because i would be comparing the the time before and after smart phones. How and why they have changed our lives
Explanation:
because it explains the situation
The answer to this is a bit simple it would be B. X-ray scanners, because doctors use x-rays to tell when a bone is cracked, splintered, or broken.