Study

Earth systems and interactions 2

  •   0%
  •  0     0     0

  • Which type of rocks are formed by deposition, compaction, and cementation?
    sedimentary rocks
  • The gases in the atmosphere that absorb and re-radiate thermal energy from the Sun are called ______________.
    greenhouse gases
  • Plants absorb phosphorus from either ________ or _________.
    soil, water
  • The largest phosphorus reservoir is the _________ (earth system).
    geosphere
  • What is the compound that consists of phosphorus and oxygen elements commonly found in the earth systems?
    phosphates
  • Which type of rocks are formed by cooling and crystallization of magma?
    igneous rocks
  • ______ are formed by weathering and erosion of rocks.
    Sediments
  • How can excess phosphorus in a lake kill underwater aquatic plants?
    Algal bloom blocks sunlight needed by photosynthesizing aquatic plants.
  • How can excess phosphorus in a lake harm fish?
    Algal bloom and excess algae decomposition and use up oxygen in water
  • Earth systems interact by exchanging _____________ and ____________.
    matter, energy
  • How do animals return phosphates to the soil?
    by animal waste or decomposition when they are dead.
  • How does clearing forests disrupt phosphorus cycle?
    clearing forests expose soil, rain can wash away phosphorus from soil
  • Phosphorus does not cycle through which earth system?
    atmosphere
  • Phosphorus recycles at the highest rate in which earth system?
    biosphere