(Q).
Q: What is magnetism produced by electricity called? Read this paragraph and choose the correct option from the provided answers: Electricity can be used to produce a magnetic field. Magnetism produced by electricity is called electromagnetism. Choices: - electrical attraction - momentum - excitation - electromagnetism A:
(A).
electromagnetism

(Q).
Q: The wavelength of a wave is the distance between corresponding points on what? Read this paragraph and choose the correct option from the provided answers: Q: The wavelength of a wave is the distance between corresponding points on adjacent waves. For example, it is the distance between two adjacent crests in the transverse waves in the diagram. Infer how wave frequency is related to wavelength. Choices: - distant waves - spectrum - basic waves - adjacent waves A:
(A).
adjacent waves

(Q).
Q: What layer of soil, essential for farming, has the highest proportion of organic material? Read this paragraph and choose the correct option from the provided answers: Topsoil has the highest proportion of organic material. Topsoil is essential for farming. Choices: - bedrock - humus - subsoil - topsoil A:
(A).
topsoil