Q: Q: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else? Choices: - energy - bacteria - sound - particle A:
A: particle

Q: Q: Vascular tissue allowed these plants to do what? Choices: - grow smaller - have more flowers - live shorter - grow taller A:
A: grow taller

Q: Q: What are the extremely small particles that comprise all matter? Choices: - ions - protons - electrons - atoms A:
A: atoms

Q: Q: What part of the cell in plants and algae does photosynthesis take place? Choices: - mitochondria - fibers - cell wall - organelles A:
A: organelles