What is a mixture in which one substance is dissolved in another

Which factor divides freshwater ecosystems into two main types? a. depth C. water movement b. temperature d. presence of animals

Why is it important for the chromosomes to condense during mitosis? Question 2 options: to facilitate DNA replication to facilitate chromosome movement to facilitate cytokinesis to facilitate spindle formation

During which phase of meiosis do tetrads line up in the middle of the cell? A. prophase II B. metaphase I C. anaphase I D. metaphase II

Has population growth remained constant throughout human history? (Environmental systems)

What are the two substances that maybe formed in anaerobic respiration

Volcanoes, lightning, and the combustion of fossil fuels ALL contribute to acid precipitation. true false

Does an electric current cause a coiled wire to become an electric bell

Which is a renewable resource? A) coal B) sunshine C) gasoline D) natural gas

How are fitness and adaptation important to natural selection?

Where do the light-independent reactions of photosynthesis occur? A. Stroma B. Thylakoids C. Cell cytoplasm D. Intermembrane space