Answer: Hello, Its number 1 Object #1 is an asteroid, and Object #2 is a moon.
Explanation: Its number one because a asteroid is a rock and a moon is made up of rock and orbits a planet witch is Earth
Air mass, letter a is the correct one
<h3>Questions:</h3>
Brief discussion on the annual rainfall graph?
<h3>Answer: </h3>
Climate graphs depict the typical rainfall and temperature for a certain place. A line graph depicts the temperature, while a bar graph depicts rainfall. They're frequently depicted on the same axes, with the months of the year running parallel to the base.
Answer:

Explanation:
Angular momentum, L = m v r
areal velocity = 
according to kepler's 2nd law

since, we know that

areal velocity= 
now substituting value of v in areal velocity we get

hence from above equation of rate of change of area swept i.e. areal velocity is proportional to 