Stars are formed, mature, and eventually cease to function as stars. This is called the star's

brightness

wellness

luminosity

life cycle

Approximately 90% of the Australian population lives where? outback west coast and interior east and southeast coast north and west coast

Fertilizers can put extra nitrogen into coastal waters, which can cause A) overgrowth of algae that produce toxins B) too many fish which depletes oxygen C) the water to become too salty D) a change in the water's temperature

How many seconds are in a year?

What is an effect of excessive automobile fumes and factory smoke released in to the air?

The scientist who proposed the idea of continental drift was

What does the presence of a lot of sedimentary rock tell you about an area?

What are some abnormal weather conditions? i have to write one paragraph on how they are the same and 1 on how they aren't and i cant think of any considering we haven't learned jack about them.

What is able to be learned from studying political maps?

What comes from certain rocks and is used for energy

All of the following are agents of rock erosion except Wind Glaciers Soil Gravity