If a scientist makes a new claim regarding a discovery or investigation, how would it be evaluated or tested for accuracy

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

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