Q: Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water? Read this paragraph and choose the correct option from the provided answers: Below the topsoil is the "B" horizon. This is also called the subsoil . Soluble minerals and clays accumulate in the subsoil. Because it has less organic material, this layer is lighter brown in color than topsoil. It also holds more water due to the presence of iron and clay. There is less organic material in this layer. Choices: - silt - subsurface - topsoil - subsoil A:
subsoil

Q: Telescopes use which kind of lenses to enlarge images? Read this paragraph and choose the correct option from the provided answers: Like microscopes, telescopes use convex lenses to make enlarged images. However, telescopes make enlarged images of objectssuch as distant starsthat only appear tiny because they are very far away. There are two basic types of telescopes: reflecting telescopes and refracting telescopes. The two types are compared in the Figure below . They differ in how they collect light, but both use convex lenses to form enlarged images. You can learn more about telescopes and how they evolved in the video at this URL:. Choices: - crystalline - spherical - concave - convex A:
convex

Q: The transmitted light strikes a photoelectric tube, which converts the light energy to? Read this paragraph and choose the correct option from the provided answers: Choices: - heat - color - gas - electricity A:
electricity

Q: The elements are arranged in rows, each representing the filling of what shell? Read this paragraph and choose the correct option from the provided answers: Choices: - plasma membrane - proton - neutron - electron A:
electron