Earth Science Choose the statement about the Doppler Effect that is true
It occurs when a wave source moves towards an observer.
It occurs when an observer moves towards a wave source.
It occurs when a wave source moves away from an observer.
It occurs when an observer moves away from a wave source.
All the above are true

Is dna the same in every cell in the human body explain your answer

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells

When a doctor suspects that a patient may have diabetes, she will often have the patient take a glucose challenge test. after the patient drinks a large amount of sugary solution, his blood is drawn and the circulating levels of glucose in the blood are determined. which of the following curves do you expect from a patient with diabetes? a. curve ab. curve bc. curve cd. normal curvee. none of the above