They are made up of mainly hydrogen and helium. They are called the gas giants
Answer:
A b C
Explanation:
Economic push factors of immigration include poverty, overpopulation, and lack of jobs.
There is a strong link between increased levels of education for females and lower fertility rates. That is, the higher the level of a woman's educational attainment, the fewer number of children she is likely to bear, and this effect is shown in countries and cultures around the world.
<span>c.) decrease in the overall world population </span>
