Examlex
What is one of the alternatives to the hypothesized existence of dark matter?
Genus
In the system of plant and animal classification, a group of like species.
Mousterian Tools
Stone tools associated with Neanderthal cultures, known for their specific flaking technique.
Neandertal
An extinct species of human characterized by robust physical features, known to have lived in Europe and parts of Asia until about 40,000 years ago.
Homo Erectus
An extinct species of early human that lived from approximately 2 million to roughly 100,000 years ago, known for being one of the first hominins to use fire and sophisticated tools.
Q2: The Sun lives in which component of
Q8: If Earth's axis had no tilt, would
Q28: Which of the following gases, which we
Q38: Which of the following places is not
Q46: What do we call the bright, sphere-
Q64: A gravitational lens occurs when<br>A)a massive object
Q67: What do we mean when we say
Q83: Looking for an Earth- size planet around
Q102: How do X- ray measurements help us
Q111: What would you see if you were