About how long will a star with a mass about the same as our sun's mass

stay on the main sequence?

A) 5 million years

B) 10 billion years

C) 50 billion years

A. Identify the map type as portrayed in The Elderly of Europe map. B. Identify the scale of analysis when using the choropleth data as provided by the Elderly of Europe map. C. Identify the two countries in Europe with the largest aging populations.

Which of the following statements about early Mesopotamian civilizations is false? A. Mesopotamia was one of the first places in the world where urbanization occurred. B. Mesopotamian civilizations settled between the Tigris and Euphrates rivers. C.

1. What problem is facing Cape Town, South Africa? 2. What is "Day Zero"? What is expected to happen on that day? 3. What percentage of Cape Town's water is used in homes? 4. What steps has Cape Town encouraged people to take to conserve water? 5.

Which is considered a boundary between two different fronts? cold front neither warm front nor cold front both warm front and cold front warm front

Which of the following resources accounts for Venezuela's economic wealth? a. petroleum c. bauxite b. gold d. timber

What body of water lies east of attica?

What causes climate to change over time

17 of the 18 warmest years on record have occurred in the 21st century. true or false?

Which of the following indexs includes factors such as use of time, environmental issues, and income distribution to determine development? A. Human Development Index B. Genuine Progress Indicator C. Gross National Happiness D. Gross National Income

Which primary areas did president Johnson's great society