Which of the following was most likely not present in creating the amino acids of early earths water of the past?

A. sulfur

B. nitrogen

C. hydrogen

or D. ammonia

What is the soft layer of molten rock under the earths surface?

How were the Andes mountain range, the Himalayas, and the Appalachian Mountains similarly formed?

Is this statement true or false? NAFTA eliminated tariffs between the countries of Mexico, the United States, and Canada. A) True B) False

Why were the Egyptians able to grow two or three crops per year?

Describe the importance of agriculture to the people of Central America. Why is an agrarian based society often bad for a country?

At what age do kids in Jordan begin school?

For which triangle does the equation 4^2+4^2 = c^2 apply?

Places to which the Rohingyas they were displaced

1. What is the trading route between the Indian Ocean and the Mediterranean Sea? 2. What lies between the Arabian Peninsula and India? 3. What is west of Yemen? 4. What is east of the United Arab Emirates? 5.

What types of areas are created by sinking, dry air at 30 degrees north or south latitude?