Why are planets spherical?

Question 10 options:

The equator has the most gravitational pull.

When planets were formed the began as a ball shape

Gravity pulls all sides equally forming a ball

The spinning motion makes them spherical

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

Part of molten rock at mid-ocean ridges

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?