Q: Q: This process breaks rocks and other surface materials into much smaller pieces? Choices: - corrosion - leaching - chemical reaction - weathering A:
A: weathering

Q: Q: Ions move through what to maintain electrical neutrality in the cell? Choices: - the plasma - the substrate - the protein - the membrane A:
A: the membrane

Q: Q: What is the measure of sound intensity levels? Choices: - octaves - moles - centimeters - decibels A:
A: decibels

Q: Q: What is the term for many different types of animals within the same species? Choices: - pollution - habitat - differentiation - diversity A:
A: diversity