The decayed remains of plant and animal materials that have been partially transformed by bacterial action are termed ______________

Fill in the blank(s) with correct word


humus

Environmental & Atmospheric Sciences

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The total load of sediment that a river carries in a given period of time is called

A) competency B) bed load C) base level D) capacity

Environmental & Atmospheric Sciences

Which of the following statements best describe what geologists refer to as rock-forming minerals?

A. The minerals that form after a rock has already turned into a solid. B. The minerals found in rocks that are the most durable and hard.  C. The minerals that were present in the original rocks that cooled to form Earth's crust. D. The few dozen or so minerals that make up most of the rocks in Earth's crust.  E. Consist of over 4,000 types of minerals that make up most of the rocks in Earth's crust. 

Environmental & Atmospheric Sciences

Permanent equilibrium is a condition that most ecologists now recognize as existing in mature, late-successional ecosystems

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Complete the defining features matrix by checking the box of the feature used to identify the boundary. Select all that apply for a transform plate boundary.

Complete the defining features matrix by checking the box of the feature used to identify the boundary. Select all that apply for a transform plate boundary. 

  • High heat flow
  • Youngest seafloor age
  • Shallow earthquakes (0-30 km deep)
  • Moderate depth earthquakes (30-300 km deep)
  • Deep earthquakes (300+ km deep)
  • Earthquakes get deeper in one direction
  • There is a trench
  • Seafloor get shallower
  • There are high mountains
  • There are volcanoes on land
  • There is an island arc of volcanoes
  • Plates move apart
  • Plates move together
  • Plates slide past one another

Environmental & Atmospheric Sciences