*Question*
Answer the following question given this paragraph: Did you ever see workers sandblasting a building to clean it? Sand is blown onto the surface to scour away dirt and debris. Wind-blown sand has the same effect. It scours and polishes rocks and other surfaces. Wind-blown sand may carve rocks into interesting shapes. You can see an example in Figure below . This form of erosion is called abrasion. It occurs any time rough sediments are blown or dragged over surfaces. Can you think of other ways abrasion might occur?. Q: Wind blown sand contributes to what type of erosion? Choices: - vegetation - sedimentary - filtration - abrasion A:
**Answer**
abrasion

*Question*
Answer the following question given this paragraph: Sexual reproduction is typically slower. However, it also has an advantage. Sexual reproduction results in offspring that are all genetically different. This can be a big plus for a species. The variation may help it adapt to changes in the environment. Q: What kind of reproduction results in offspring that are generally all genetically different? Choices: - perceptual - asexual - individual - sexual A:
**Answer**
sexual

*Question*
Answer the following question given this paragraph: Q: The zoospores develop into haploid, multicellular male and female gametophytes, which produce? Choices: - microorganisms - toxins - spores - gametes A:
**Answer**
gametes

*Question*
Answer the following question given this paragraph: Neurons transmit nerve impulses to other cells. Q: What transmits nerve impulses to other cells? Choices: - fats - muscles - ions - neurons A:
**Answer**
neurons