The wavelength measures the distance between two consecutive crests of a wave.
There for it would be
A crest.
This would be an invasive species which is not native to the environment. It can cause harm either because it over grows (if it's a plant.) Or if it's an animal, it will reproduce and most likely take over the environment. This is because it feels the need to compete for materials, but ends either taking most or all of it. Which then ruins the food chain depending on it's diet. If it's eating a plant, then other animals that eat that plant no longer have any food. And vice versa if it's feeding on animals. Other predators, no longer have their food.
The doctor has used INDUCTIVE REASONING. Inductive reasoning refers to a logical process in which multiple premises are combined to obtain a specific conclusion. The doctor used inductive reasoning to obtain the facts about the patient's symptoms.
