Q: What type of compound is hydrogen chloride? Choices: - polar - metal - ionic - covalent A:
covalent

Q: What can be formed by converging light rays behind a lens, onto a piece of film? Choices: - a prism - a kaleidoscope - a mirror - a photograph A:
a photograph

Q: Q: What kind of hormones are derived from cholesterol? Choices: - germs - Antibiotic - synthesis - steroid A:
A: steroid

Question: Q: Single-displacement reactions are a subset of what? Choices: - gravitational reactions - kinetic reactions - particle reactions - redox reactions A:
Answer: redox reactions

*Question*
Q: What substances digest the food in the vacuole of an ingestive protist? Choices: - carbohydrates - lipids - hormones - enzymes A:
**Answer**
enzymes

Q: Q: What does hair get its color from? Choices: - elasticity pigments - stimulating pigments - fluorescent pigments - melanin pigments A:
A: melanin pigments