4. Which of the following is a chemical change?

1. condensation

2. evaporation

3. solidifcation

4. rotting of food

Large populations have less genetic diversity than small populations. true false

What did the countries in the triangular trade do?

Earthquake epicenters are often at what boundaries?

Choose the correct statement about the seasons. The Earth's orbit around the Sun is a highly eccentric ellipse, so the distance between Earth and Sun varies dramatically over the course of a year. Earth is the only planet that experiences seasons.

Folds form instead of faults where which of the following happens? A. Rocks are very hot. B. Rocks are under enough pressure. C. continental plates collide. D. all of the above

Which of the following nations is located in Sub-Sahara Africa? O Botswana O Algeria Eygypt O Libya

What is currently supported theory about the future of the universe

What are two radioactive isotopes that are useful for dating old rocks

Read the article titled "the votes are in" using four or more sentences, explain why the 2005 elections in Afghanistan were so important. Did many people participate? Why or why not?

Which East Asian country is a major competitor for US traders? A. Japan B. Taiwan C. South Korea D. China