(Q).
Q: The thermal properties of what substance largely contribute to the temperature climate of europe? Choices: - lava - soil - clouds - water A:
(A).
water

(Q).
Q: The number of waves that pass a fixed point in a given amount of time is called what? Choices: - wavelength of a wave - spectroscopy of a wave - spread of a wave - frequency of a wave A:
(A).
frequency of a wave

(Q).
Q: "direct" and "alternating" are two kinds of what, which is associated with electricity? Choices: - time - constant - levels - current A:
(A).
current