Directions: Using the samples in Activity 1, Put a check mark on the the space provided if it is a pure substance and an x if not. 1. Sugar
2. Salt
3.Cooking oil
4. Ketchup
5. Soy Sauce
6. Drinking water
7. Vinegar
8.Pinakbet
9.Milk powder
10.Soft drinks​

What is the purpose of biofertilizers? a reduce pollution b. reduce insect threats c. reduce erosion d reduce herbicide use select the best answer from the choices provided 0 0 0 0

Who was the redcoat leader (major john pitcairn,militias, ralph waldo emerson, concord, captain john parker)

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth