Answer: Human activities cause wetland degradation and loss by changing water quality, quantity, or flow rates; increasing pollution and change the make-up of species within a habitat. These changes occur when wetland ecosystems are disturbed and/or non-native species are introduced to a habitat.
<u>The correct answer is A.</u> The diseases we immunize against are not gone and they are still deadly. These diseases still exist in many places in the world. Polio was eliminated from the United States thanks to vaccination, it still occurs in Afghanistan, Pakistan and Nigeria, being a serious problem there. If we do not get vaccinated this type of disease can return to the country.
For the hypothesis of evolution we use; Written evidence, oral evidence, visual evidence, and physical evidence.
- Written evidence is anything that is presented in print form, such as a letter, quotation, invoice, email, etc.
- oral evidence provided in court by a witness, typically under oath. Oral evidence comprises information that a person called as a witness provides in writing, by signs, or by use of any device due to a disability, disorder, or other impairment.
- visual evidence comprises computer-generated images, photographs, maps, movies, blueprints, drawings, surveys, and models. Visual evidence is defined as visuals or images with sound intended to be presented into evidence at a hearing event.
- physical evidence always comes from a living thing, but physical evidence can be any object with a non living origin.
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