Q: What are responsible for removing excess h+ ions from the blood? Choices: - liver nodes - intestinal walls - stomach chambers - kidneys A:
kidneys

Q: What is the term for decomposers that consume dead leaves, animal feces, and other organic debris collected on the ground or at the bottom of water? Choices: - scavengers - recyclers - consumers - detritivores A:
detritivores

Q: Q: A van de graff generator produces what type of charge on its dome, causing the tendency to give up electrons? Choices: - positive charge - similar charge - no charge - negative charge A:
A: negative charge

Question: Q: Every chemical reaction occurs with a concurrent change in what? Choices: - neutrons - mass - hydrogen - energy A:
Answer: energy

*Question*
Q: What kind of weathering changes the size of a mineral or rock but does not change its chemical composition? Choices: - molecular weathering - chemical reaction - radiation - mechanical weathering A:
**Answer**
mechanical weathering

(Q).
Q: What waves are the broad range of electromagnetic waves with the longest wavelengths and lowest frequencies? Choices: - sound - microwaves - light - radio A:
(A).
radio