Q: What is the pair of bean-shaped organs that filters blood and produces urine? Choices: - heart - lungs - arteries - kidneys A:
kidneys

Q: In eukaryotic cells, where is the dna kept? Choices: - mitochondria - epidermis - cytoplasm - nucleus A:
nucleus

Q: Q: What do herbivores eat? Choices: - minerals - meat and plants - animals - plants A:
A: plants

Question: Q: What can be combined with an amine to form an amide? Choices: - carbon dioxide - ketones - acetic acid - carboxylic acid A:
Answer: carboxylic acid

*Question*
Q: What is the term for the energy of movement? Choices: - potential energy - intrinsic energy - molecular energy - mechanical energy A:
**Answer**
mechanical energy

*Question*
Q: Where does the earth gets its energy from? Choices: - decomposers - precipitation - heat - sun A:
**Answer**
sun