Q: By pulling out grass by its roots and over-grazing, livestock contribute to what negative process? Choices: - migration - evolution - immigration - erosion A:
erosion

Q: Static friction acts on objects when they are resting on what? Choices: - a single point - their laurels - a pool of water - a surface A:
a surface

Q: Q: The colloquial term "ribbon worm" refers to the mostly marine species of what phylum? Choices: - nematoida - lophophorata - gnathifera - nemertea A:
A: nemertea

Question: Q: What is the amount of moisture in the atmosphere? Choices: - static - mixture - heat - humidity A:
Answer: humidity

*Question*
Q: During the day, what type of energy is transferred from the air over the land to the air over the water? Choices: - magnetic - atmospheric - nuclear - thermal A:
**Answer**
thermal

*Question*
Q: What process produces four haploid daughter cells, each genetically unique? Choices: - electrolysis - budding - mitosis - meiosis A:
**Answer**
meiosis