Answer Happy

w questiu 1. What is the sun made of? A. Liquid B. Fire I C. Gas D. Molten Rock 2. Why do most other planets not have life on them? A. They are not nearby a star B. They don't receive enough light from the sun C. They don't receive enough heat from the sun D. The temperature doesn't allow for water to be a liquid 3. What force is responsible for the shape of the sun? A. Gravity B. Friction C. Nuclear Fission D. Electromagnetic Attraction 4. Which of the following is a challenge for astronomers trying to study the sun? A. It is so far away B. It is at the end of its lifespan C. Its properties constantly change D. Its lifespan is much longer than human lifespans 5. What are the reactants of a nuclear fusion reaction? A. Hydrogen and Helium B. 6 Helium C. 6 Hydrogen D. 4 Hydrogen 6. What particle annihilates and electron creating the energy in a nuclear fusion reactio A. Neutrinos B. Positrons C. Hydrogen D. Gamma Rays