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Soil temperature varies from one month to the next depending upon such factors as solar radiation, rainfall, seasonal swings in overhead air temperature, plant cover, soil type, and depth in the earth ...
Hipervinculo Biología
How scientists think about the natural world.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Biología
Introduces concepts of evidence and scientific theories.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Ciencias de la Tierra y Medioambiente
Presents the relationships of facts, explanations, and opinions in science.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Ciencias de la Tierra y Medioambiente
Presents the relationships of facts, explanations, and opinions in science.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Examines theories and laws in science.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Examines theories and laws in science.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Biología
Covers steps of the scientific methods and control groups.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Biología
How scientists study the natural world.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
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