Answer:
Ingredients
2 ⅓ cups all-purpose flour.
1 tablespoon baking powder.
¾ teaspoon salt.
1 ½ cups white sugar.
½ cup shortening.
2 eggs.
1 cup milk.
1 teaspoon vanilla extract.
Explanation:
C. Enzyme because they catalyze biochemical reactions
Should be :
Lead Sulfate Tetrahydrate
Answer:
natural selection
Explanation:
The process that results in changes to the genetic material of a population over time