A mineral forms from water at the edge of a lake. Which statement best describes this mineral?

A) The mineral formed from lava.
B) The mineral formed through evaporation.
C) The mineral formed when hot water cooled.
D)The mineral crystallized from magma.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

Identify the electromagnets with poles that are reversed from the electromagnet shown above