Answer:
A) The outer planets consist mostly of gases .
Explanation:
Inner planet constitutes of the planets closest to the sun , i.e. , Mars , Earth , Venus , Mercury .
Outer planet constitutes of the planets farthest from the sun , i.e. , Neptune , Uranus , Saturn , Jupiter .
The inner planets of the Solar system are composed of metals and rocks and hence are of solid state and heavy .
Whereas , the outer planets are composed of mainly gases like hydrogen and helium and hence are light in weight .
Answer:
c = 55° and d = 125°
Explanation:
Given that,

We need to find the measure of angle c and angle d.
We know that the sum of angles of a triangle is 180 degrees. So,
a+b+c = 180
85+40+c = 180
125+c=180
c = 180-125
= 55°
Using exterior angle theorem,
d = a+b
d = 85+40
d = 125°
Hence, c = 55° and d = 125°
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