Q: What alloy is made from copper and zinc? Choices: - iron - stele - manganate - brass A:
brass

Q: Radar maps of venus show that it has mountains, canyons and volcanoes surrounded by plains of what? Choices: - helium - grasses - water - lava A:
lava

Q: Q: Snails, scallops, and squids are what type of invertebrate? Choices: - crustacean - algae - arthropod - mollusk A:
A: mollusk

Question: Q: What is responsible for our sense of balance? Choices: - our eyes - our limbs - our feet - our ears A:
Answer: our ears

*Question*
Q: In birds, lightweight air-filled bones and a large four-chambered heart are examples of adaptations for what purpose? Choices: - speed - long lifespan - mating - flight A:
**Answer**
flight

Q: When hit from behind in a car crash, a passenger can suffer a neck injury called what? Choices: - inflammation - necklash - twisted neck - whiplash A:
whiplash