Science and technological advances are constantly changing how people live and work. discuss a change you have observed in your lifetime that has made life easier or more enjoyable for you.

Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2  + h2cucl2  + na2s → 2nacl + cuscaco3  → cao + co2          2zns + 3o2  → 2zno + 2so2          ch4  + 2o2  → co2  + 2h2o

The first element on the periodic table of elements is carbon. a. true b. false

What atom has the largest atomic radius