Q: What must replicate in the cell cycle before meiosis i takes place? Choices: - cell walls - sperm - meiotic fluid - dna A:
dna

Q: What determines whether a volcanic eruption will be explosive or not? Choices: - lava temperature - magma velocity - curve of magma - thickness of magma A:
thickness of magma

Q: What type of air do plants take in and use? Choices: - oxygen - liquid dioxide - carbon - carbon dioxide A:
carbon dioxide

Q: What is the pairing of an adult male to an adult female to produce young? Choices: - evolution - asexual reproduction - binary fission - mating A:
mating