Chromosomes ....................
Answer: The number of blocks holding up the end of the pan
Explanation: Denise wants to test how a hill's slope can affect erosion. So, the number of blocks holding up the end of the pan should be her variable.
Answer: Please refer to:
A Mission Statement defines the company's business, its objectives and its approach to reach those objectives. A Vision Statement describes the desired future position of the company. Elements of Mission and Vision Statements are often combined to provide a statement of the company's purposes, goals and values.
Explanation:
Not sure but hope it helps.
C. the flies could not get into the jar to lay their eggs