Q: Q: Deeper layers of rock must be older than layers closer to the surface, this is the law of what? Choices: - erosion - diffraction - flux - superposition A:
A: superposition

Q: Q: E. histolytica causes what kind of dysentery? Choices: - Spastic - cocklebur - spicule - amebic A:
A: amebic

Q: Q: What important aspect of the scientific method is a suggested explanation for an event, which can be tested? Choices: - scientific control - string theory - independent variable - hypothesis A:
A: hypothesis

Q: Q: What develops into embryos inside seeds, from which the next sporophyte generation grows? Choices: - secretions - buds - pupa - zygotes A:
A: zygotes