Why were there no samples of rocks from the early Precambrian era?

Boundaries affect human movement and human behavior. t or f

Where did Earth's (interior) heat come from? a. volcanoes b. accretion and differentiation as Earth formed c. radioactivity d. all of the above e. b. & c.

What two things happen to the ocean as the planet heats up?

Caitlin spends time a lot of time with her friends, watching movies and listening to music. She goes to bed late at night and has trouble waking up for school.

How are chloroplasts and mitochondria different from the other organelles?

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?

The us congress passage of the Homestead act in 1862 can be considered a pull factor that caused people to migrate to the us

Name the river that forms a border between the states of washington and oregon