Molecular scientists can read the DNA code and compare the DNA of different organisms. This concept is used in molecular clocks to determine which of the following? Morphological relationships Geographic origin Evolutionary relationships

Write the net ionic equation for KNO2 + HCl - > KCl + HNO2

When rn-222 undergoes decay to become po-218, it emits a. an alpha particle. b. a beta particle. c. gamma radiation. d. x-rays.?

Explain why the reaction is classified as an addition reaction

When does a tropical storm become a hurricane

Acid rain most often damages stone architecture by causing

What is the theoretical empirical formula of magnesium oxide

8. which change in state is associated with the heat of vaporization, 1. solid to liquid 2. liquid to vapor 3. solid to vapor 4. liquid to solid

A mixture of calcium carbonate, CaCO3, and barium carbonate, BaCO3, weighing 5.40 g reacts fully with hydrochloric acid, HCl (aq), to generate 1.39 L CO2 (g), mea sured at 50°C and 0.904 atm pressure.

Which of the following is the major advantage of using geothermal energy instead of using coal energy? Choice: You will get a brainliest! If your correct! A. More abundant than coal B. Easier to access than coal C. Releases less carbon dioxide D.

Why can equilibrium not be reached in reversible enzymatic rxn?