Which one of the following is the most similar both physically and chemically to arsenic?? Help its on s quiz

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.