You have left the carton of milk out of the refrigerator overnight and it has spoiled. This is an example of a
A. Physical property
O
B. Physical change
OC. Chemical property
D. Chemical change
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If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d