Question

question 7(multiple choice worth 2 points) in which of the following spheres of earth does respiration take place? atmosphere biosphere cryosphere geosphere question 8(multiple choice worth 2 points) which of the following is a process used by plants that produces oxygen as a by - product? combustion diffusion photosynthesis respiration question 9(multiple choice worth 2 points) which of the following is a process in which carbon is removed from dead matter? decomposition

Explanation:

• Question 7: Respiration is a life - sustaining process carried out by living organisms. The biosphere encompasses all living organisms on Earth.
• Question 8: Photosynthesis is the process by which plants use sunlight, carbon - dioxide, and water to produce glucose and release oxygen as a by - product.
• Question 9: Decomposition is the process in which organic matter (dead matter) is broken down by decomposers, and carbon is released or removed from the dead matter.

Answer:

• Question 7: B. Biosphere
• Question 8: C. Photosynthesis
• Question 9: A. Decomposition