Examlex
Galaxies contain 10 times as much dark matter as visible matter.
Birch Stand
A group or cluster of birch trees growing together.
Underground Aquifers
Geological formations that can store, transmit, and yield groundwater to wells and springs.
Water Logging
The saturation of soil with water, often leading to reduced plant growth and agriculture problems.
Human Caused
Refers to events, conditions, or changes that are directly attributed to human actions or activities.
Q12: A magnetar is a type of _.<br>A)
Q14: The region controlled by Earth's magnetic field
Q39: A supermassive black hole erupts when _.<br>A)
Q40: During the main sequence lifetime of a
Q41: When the Sun moves off the main
Q44: The highest luminosity burst of radiation observed
Q60: The Universe has_.<br>A) an edge, does not
Q60: The luminosity class is assigned to a
Q67: Quasars are caused by galaxy collisions in
Q70: Which best describes Mercury's plains?<br>A) heavily impacted