When a material is heated, the kinetic energy of that material increases and its atoms and molecules move about more. This means that each atom will take up more space due to its movement so the material will expand. ... Some metals expand more than others due to differences in the forces between the atoms / molecules.
J.j Thomson electrons demo true indivisible sphere n Ernest central nucleas
Answer:
The correct option is: A. activity; concentration
Explanation:
A reaction rate essay is a laboratory method to determine the activity of an enzyme. It is necessary for determining the enzyme kinetics and inhibition.
Whereas, a colorimetric analysis is a method to determine the concentration of a chemical compound in a solution. Therefore, a colorimetric endpoint assay measures the concentration.
Therefore, Enzyme activity is measured by a reaction rate assay and the concentration is measured by a colorimetric endpoint assay.
The Rock Cycle<span> is a group of changes. Igneous </span>rock<span> can change into sedimentary </span>rock<span> or into metamorphic </span>rock<span>. Sedimentary </span>rock<span> can change into metamorphic </span>rock<span> or into igneous </span>rock<span>. Metamorphic </span>rock<span> can change into an igneous or sedimentary </span>rock<span>. Igneous </span>rock<span> forms when magma cools and makes crystals.</span>
