A student creates a diagram comparing the sizes in the solar system. Which 2 objects are often similar? 1 planets and meteors
2 aestroids and comets
3 comets and planets
4 moons and meteors

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

the wires in the toaster turning red and the toast crisping and turning brown