A nanoparticle of pure metal A is a cube. Each side of the cube has a length of 20 nm.
Figure 3 shows the cube.

Figure 3
20 nm
20 nm
20 nm

What is the volume of the nanoparticle?

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Which statement best describes the function of enzymes?

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i