Drag each item to the correct location to show which arguments are for and against each theory about the source of Earth’s water. Some arguments may be used more than once. There are 6 categories

Question

(2 points)

Evidence for: Comets,
evidence for Asteroids,
evidence for Solar Nebula

Evidence against: Comets,
evidence against Asteroids,
evidence against Solar Nebula

Very little water is found on/in these objects. 
Spacecraft have confirmed that objects from the Oort Cloud have non-Earth-like water. 
Others like it in the galaxy have water in their dust and gases. 
The sun could have evaporated the water over the billions of years since Earth’s formation. 
Spacecraft have confirmed that objects from the Kuiper Belt have Earth-like water. 

Answer 1

Here’s how to categorize the arguments for and against each theory about the source of Earth's water:

Evidence for:

• Comets: Spacecraft have confirmed that objects from the Oort Cloud have non-Earth-like water.
• Asteroids: Spacecraft have confirmed that objects from the Kuiper Belt have Earth-like water.
• Solar Nebula: Others like it in the galaxy have water in their dust and gases.

Evidence against:

• Comets: Very little water is found on/in these objects.
• Asteroids: Very little water is found on/in these objects.
• Solar Nebula: The sun could have evaporated the water over the billions of years since Earth’s formation.

Feel free to ask if you need further clarification!