Some tools contain permanent magnets. What two types of materials could these tools pick up?
A. Materials that contain a magnetic material, such as iron
B. Materials that contain glue or other adhesives
C. Materials that contain other magnets
D. Materials that contain a ceramic, such as glass
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Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods
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In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48
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Some tools contain permanent magnets. What two types of materials could these tools pick up?
A. Mat...
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