The soil profile describes the soil horizons found in an ecosystem. What conclusion can be drawn about this ecosystem?
A)
It supports plants with very deep roots.
B)
It is a forest ecosystem, rich in organic matter.
It includes plants with adaptations for conserving water.
D)
It is a wetland ecosystem containing water-filled pockets.

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution

Alexa is preparing for a presentation by creating note cards identifying keywords that describe various features of each type of plate boundary. which words apply to all three of the convergent boundaries?