Which process best describes the effect of weathering on Earth’s surface? A. volcanoes erupting

B. new mountains forming

C. evaporation of surface water

D. rocky cliffs breaking down

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion