Answer:
we would have no oxygen and barely any water.
Answer:
19 cm
Explanation:
The total distance is 9+4+6 = 19 cm
However, the DISPLACEMENT is -9+4-6 = -11 cm.
Answer:
0.4455 m
Explanation:
g = Acceleration due to gravity = 9.81 m/s²
Total mass is

Here the spring constant is not given so let us assume it as 
Here, the forces are balanced

The springs are compressed by 0.4455 m
Answer:
Comets are basically dusty snowballs which orbit the Sun. They are made of ices, such as water, carbon dioxide, ammonia and methane, mixed with dust. These materials came from the time when the Solar System was formed. Comets have an icy center (nucleus) surrounded by a large cloud of gas and dust (called the coma).
Explanation: