What are the [Two] main forces that act on gases in a star? A. An inward pull due to gravity

B. An inward pull due to the explosive pressure of burning fuel

C. An outward push due to gravity

D. An outward push due to the explosive pressure of burning fuel.

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

How far is the region from the equator or control climate