Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
The tilt of the earth's axis, which essentially "turns" certain parts of earth so that some parts receive more direct sunlight
Complex organic food molecules such as sugars, fats, and proteins are rich sources of energy for cells because much of the energy used to form these molecules is literally stored within the chemical bonds that hold them together. Scientists can measure the amount of energy stored in foods using a device called a bomb calorimeter. With this technique, food is placed inside the calorimeter and heated until it burns. The excess heat released by the reaction is directly proportional to the amount of energy contained in the food.
The steatite seals found in the Indus valley resemble seals found at contemporary sites in Mesopotamia.
The steatite seals are also referred to as the Pashupati seals and are found in major regions of the Indus Valley civilization.
Scientists have managed to find a variety of seals that belongs to the Harappan site of the Indis Valley civilization.
These seals have also been known to be founded in the Mesopotamia region. Scientists are researching and finding evidence that the steatite seals found in the Indus valley and Mesopotamia may belong to the same ancestors and might have migrated over time.
To learn more about Mesopotamia, click here:
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Answer:
rueda, maciza y acanalada en su borde
