Which of the following types of frozen water are NOT on land? 1. Sea Ice

2. Permafrost

3. Glaciers

4. Snow

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.