Answer:
calendrical systems and hieroglyphic writing.
Explanation:
Answer:
Explanation:
1. In Piaget's stages of cognitive development different aspects are covered in each stage. In Pre-operational stage which of the following aspect is not being met ?
a) lack of hierarchical classification and reversibility
b) inability to conserve
c) internalization of schema
d) animistic thinking and ego-centrism
2. Name the most preferred method for assessing a child based on Vygotsky's sociocultural theory ?
a) Projective tests
b) dichotomous questions
c) collaborative projects
d) intelligence tests
Answer:
A. The exposure distribution among cases is representative of all persons with disease.
Explanation:
The case control study tries and compares two different populations where the disease has been present, because of that if the disease under investigation is strange or rare in one of the populations that would affect negatively the study, the best option would be is the exposure distribution among cases is representative of all persons with the disease.
They are materials found in nature that are used by living things that are made without human help such as water, rocks, soil and etc...
