Q: What kind of reproduction is vegetative reproduction? Choices: - sexual - meiosis - mitosis - asexual A:
asexual

Q: What are hydrocarbons with double bonds called? Choices: - aldehydes - alcohols - amines - alkenes A:
alkenes

Q: 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:
A: flight

Question: Q: What helps ensure that, at least, some species will survive environmental change? Choices: - reproduction - ecosystem - spontaneous mutation - biodiversity A:
Answer: biodiversity

*Question*
Q: Which type of weathering causes changes int he rocks materials, chemical or mechanical? Choices: - liquid - nuclear - mineral - chemical A:
**Answer**
chemical

Q: The speed of an electromagnetic wave is the product of its wavelength and what else? Choices: - height - resonance - density - frequency A:
frequency