Biology, 10.12.2020 17:10 Seikoz9907
El aumento del oxígeno durante el Proterozoico produjo una gran extinción de los organismos anaerobios primitivos y una disminución del efecto invernadero que condujo a intensas glaciaciones en todo el planeta.¿ Se puede afirmar que este fenómeno fue un proceso inducido por los seres vivos?
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Biology, 21.06.2019 18:30
Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment
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Biology, 21.06.2019 23:50
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).
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Look at the photo of the leaf. which term best describes this leaf?
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Biology, 22.06.2019 05:30
Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air
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El aumento del oxígeno durante el Proterozoico produjo una gran extinción de los organismos anaerobi...
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