The preoperational stage is one of the many stages of a child's development. Piaget states that the most obvious change during the preoperational stage is the increase in a child's use language as a symbol or tool for communication. Though they can use language as symbols, they are still not able to form logic or transform ideas into understandable information.
Answer:
Renewable energy is over 90% of the energy use in the united states
A burn is damage to your body's tissues caused by heat, chemicals, electricity, sunlight, or radiation. Scalds from hot liquids and steam, building fires and flammable liquids and gases are the most common causes of burns. Another kind is an inhalation injury, caused by breathing smoke.
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Answer:
Evolution is change in the heritable characteristics of biological populations over successive generations.
Explanation:
An example of evolution is the theory started by Charles Darwin that theorizes about how humans came to be in their present form.
<span>Many mutations do produce changes in phenotype,I</span>t helps the bodies of the species to re-adapt to more locations and habitats.
