Match each number to how it would appear in scientific notation.
a. 25,000 2.5 × 10-4
b. 250 2.5 × 10-2
c. 0.025 2.5 × 104
d. 0.00025 2.5 × 102

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon

Which statement best explains the relationship between an area's geography and the temperature of its surface water? areas at low altitudes have the warmest water because they receive the most direct sunlight. areas at low altitudes have the warmest water because they have the least change in temperature throughout the year. areas at high latitudes have the warmest water because their days are the longest. areas at high latitudes have the warmest water because they have the longest seasons.

In a field, water flows down through the soil and then through a layer of loose rocks before the flow stops. what type of material did the water most likely encounter when it stopped? a layer of granite another soil layer a layer of rocks with cracks another layer of loose rocks