Biologist estimate how long ago species separated from a common ancestor using a technique called. Answers: 1. a molecular clock 2. Radiometric dating 3. relative dating 4. stratipraghy

Which of the following statements best describe the role of a surveyor in geography? A) A surveyor provides plans for transportation systems.

Earth's climate is warming up because of factors like pollution. How much has the Earth's climate warmed over the last 100 years?

In detail, explain how the texture of a rock surface affects how fast it physically weathers by water.

Why did the farmers of the constitution want to include checks and balances in the federal government

How did the mariachi style music originate? A. indigenous tribes of Mexico B. the criollos of the 19th century C. from a festival in honor of a virgin known as Maria H D. its origins are uncertain

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