Sam is in Piaget's preoperational stage of cognitive development. In addition, the preoperational stage is the second stage in Piaget's theory of cognitive development in which this stage starts around age 2 as children start to talk and last until approximately age 7. Throughout this stage, the children begin to take part in a symbolic play and learn to use symbols.
Spearman would have supported the notion that intelligence resulted from a single ability and could be represented by a single test score.
This answer is true, I had it on my health exam last year
Answer:
A chemical fertilizer is defined as any inorganic material of wholly or partially synthetic origin that is added to soil to sustain plant growth. Organic fertilizers are substances that are derived from the remains or byproducts of natural organisms which contain the essential nutrients for plant growth.