Answer: A catalyst is a chemical that increases the rate of a chemical reaction without itself being changed by the reaction. The fact that they aren't changed by participating in a reaction distinguishes catalysts from substrates, which are the reactants on which catalysts work. Enzymes catalyze biochemical reactions.
Explanation: dont need one read that or look it up idk
Answer:
With nuclear fission, a large atomic nucleus (such as a uranium nucleus) breaks apart into smaller nuclei, and energy is released. With nuclear fusion, small atomic nuclei (such as hydrogen) join to become larger nuclei, and energy is released. Fusion of hydrogen releases much more energy than any other type of either fusion or fission. Note that the dividing line between heavy nuclei and light nuclei is the iron nucleus, which is at the perfect point of nuclear stability, so that neither fusion nor fission of iron nuclei would release any energy.
Radiometic dating can be best described as <span>a technique to measure the relative age of rocks based on the radioactive decay of isotopes within the rocks</span>
Glomar Challenger missions started in 1968. The drilling ship collected cores, or long cylinders of sediment and rock beneath the seabed. The cores confirmed the theory of seafloor spreading and tectonic plates. Collected data also showed evidence of change in the earth's climate throughout history, as well as evolutionary clues.
