The hominins are a tribe of the subfamily informally known as the hominids. What are the two other tribes of
hominids, and what are five ways hominins differ from them What will be an ideal response?
The two other tribes of hominids are gorillas and chimpanzees.
Hominins are:1.
bipedal
2. have an upright posture
3. larger brains
4. reduced face
5. reduced canine teeth
6. omnivores
7. increased manual dexterity
8. able to use sophisticated tools
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The wide, sandy beaches of Florida, USA are typical of an erosional shoreline.
Indicate whether the statement is true or false
Composite volcanoes erupt explosively. What kind of magma do you conclude that composite volcanoes must contain?
A) magma that is mostly liquid B) thick, sticky magma rich in solids and gas C) ancient magma D) magma made of cement
The Appalachian Mountains are an example of ocean-ocean convergence.
Answer the following statement true (T) or false (F)
Acid mine drainage:
a. is a problem in many of the coal-mining regions of the eastern U.S. b. often raises the pH of local streams. c. is primarily related to mining salt from the waters of the Great Lakes. d. is a procedure developed to reduce chemical pollutants in streams. e. is a procedure developed to raise stream temperature.