GED Updated GED-Science Exam Questions and Answers by fionn

A family wants to plant a garden, but the soil around the house is mainly clay. Clay soil easily becomes saturated with water, cutting off the air supply needed by plants. Adding sand and peat moss can help plants grow in clay soil.

Which is the procedure for preparing the clay soil for planting?

Water on Earth is found in many places. It is found in the atmosphere, the ground, oceans, lakes, rivers, and in the polar ice caps. The continuous movement of water from the atmosphere to Earth’s surface and back to the atmosphere, called the water cycle, has four stages: storage on Earth, evaporation from Earth, precipitation from the atmosphere, and runoff on the surface of Earth.

Based on the information and diagram, where would most of the storage of water on Earth occur?

Light travels so fast that one can see an event at about the same time that it happens, such as turning on the light. When one sees lightning, it can be assumed that it happened at the same instant it was seen. Sound, on the other hand, travels more slowly. The sound of thunder takes 5 seconds to travel about 1 mile.

Based on the data,

which conclusion is correct?

A tour guide points to a water-filled tank containing live specimens and says, “Ancestors of this organism developed earlier in Earth’s history than any other organism here at the aquarium.”

The guide must have been speaking about which organism?