The NFiPA 704 system used a numerical value between ZERO and FOUR to indicate the level of hazard for that particular chemical
<span>noun1.an act or instance of nullifying.2.the state of being nullified.3.(often initial capital letter) the failure or refusal of a U.S. state to aid in enforcement of federal laws within its limits, especially on Constitutional grounds.</span>
Nothing happens. Just reverse the probes of multimeter & measure it again, this time around it should come positive
Answer:
Geographic information systems enable State DOTs to streamline tasks and projects related to operations, road routes, safety, engineering, conservation, and more. Remote sensing and GPS use satellites similar to this one to gather data that can be used by State DOTs to improve decision making and save time and money.
Explanation: Sorry if I'm wrong.