1. Which of the following is a mechanical mixture? A. shampoo
B. chocolate chip cookie dough
C. tap water
D. air

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

What three natural resources are found in the great lakes region

What element has similar physical and chemical properties as boron.