Q: Due to similar function, the wings of bats and birds are referred to as what type of structures? Choices: - symmetrical structures - matching structures - Identical structures - analogous structures A:
analogous structures

Q: What can be identified as an element, a compound, or a mixture? Choices: - waves - energy - light - matter A:
matter

Q: Q: What is the color of the powder of a mineral? Choices: - gray - organic - blue - streak A:
A: streak

Question: Q: What is the wavelength of light expressed in? Choices: - nanoseconds - millimeters - vatts - nanometers (nm) A:
Answer: nanometers (nm)

*Question*
Q: Mammoths, close genetic relatives of modern elephants, are believed to have gone extinct due to hunting by humans and what factor? Choices: - volcanic eruptions - earthquakes - migration change - climate change A:
**Answer**
climate change

Q: Which crust lies deep inside the ocean? Choices: - shallowest - youngest - thickest - oldest A:
oldest