Chemistry
Earth & Space
Organism & Environment
Force & Motion
100

The chemical formula for acetic acid is CH3COOH. How many hydrogen atoms are there? 

4 Hydrogen atoms 

100

Sirius B has a luminosity of 10 and a temperature of 30,000 K. Where will it go in the HR Diagram? 

Near white dwarfs

100

Which succession starts without soil? 

Which succession starts with soil? 

No Soil-Primary 


Soil-Secondary 

200

What geological feature does each plate boundary cause: 

Convergent 

Divergent 

Transform 

Convergent: Mountains, Volcanoes, Volcanic Islands

Divergent: Rift Valley & Mid Ocean Ridge 

Transform: Earthquake & Fault 

200

What is the acceleration of the object? 

0.5 m/s2

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