Which statement describes heterogeneous mixtures? they are made up of two or more pure substances that are not chemically bonded together. they appear uniform, like a pure substance. they have fixed ratios between their components. they are made up of two or more pure substances that can be separated only by chemical processes.
Answers: 2
Biology, 22.06.2019 01:30, mistiehaas
Compare the composition of the moon's surface with the composition of the earth's surface.
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Biology, 22.06.2019 04:00, belle200163
Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them
Answers: 1
Biology, 22.06.2019 09:20, milhai0627a
Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic
Answers: 2
Which statement describes heterogeneous mixtures? they are made up of two or more pure substances t...
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