Q: Q: What are surface currents mainly caused by? Choices: - lightning - waves - rains - winds A:
A: winds

Q: Q: What does all matter consist of? Choices: - carbon - helium - oxygen - atoms A:
A: atoms

Q: Q: Why does a large log burn relatively slowly compared to the same mass of wood in the form of small twigs? Choices: - smaller blade area - larger surface area - larger surface area - smaller surface area A:
A: smaller surface area

Q: Q: What is the area around the nucleus of an atom where electrons are likely to be, called? Choices: - electron wave - electron membrane - electron pocket - electron cloud A:
A: electron cloud