Question

question 16 (5 points)
listen
whats the inner core of the jovian planets made of?
a) bacteria fossils, hydrogen compounds, and ice crystals
b) hydrogen compounds, solid rock, and metals
c) helium gas, hydrogen gas, and rocks
d) metals, helium gas, and hydrogen gas
question 17 (5 points)
listen
in a star, nuclear fusion occurs in the
a) photosphere.
b) corona.
c) core.
d) radiative zone.

Explanation:

For Question 16: The inner - core of Jovian planets is thought to consist of hydrogen compounds, solid rock, and metals. Bacteria fossils are not part of the composition of Jovian planet cores, and helium and hydrogen gases are in the outer layers rather than the core.
For Question 17: Nuclear fusion in a star occurs in the core where there is high temperature and pressure to initiate and sustain the fusion reactions. The photosphere is the visible surface of the star, the corona is the outer atmosphere, and the radiative zone is where energy is transported by radiation but fusion doesn't occur there primarily.

Answer:

Question 16: B. Hydrogen compounds, solid rock, and metals
Question 17: C. core