Dolphins use echolocation to help them navigate. They limit the sound that bounces of objects in the front of them. Dolphins are able to navigate their surroundings based on how long it takes the sound to return. What property of waves are dolphins using told them find their way around the environment

cancer   is   essentially   uncontrolled   mitosis   of specialized cells

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.