Answer: Venus, Mercury and Mars are the differentiated planets.
Planetary differentiation can be defined as the process by which the separation of different types of constituents takes place. They are differentiated on the basis of their chemical or physical behavior.The denser material of the planets sink to the center of the planet and the less denser particles rise at the surface of the planet.
Answer: 1. the dominant traits are yellow and Round and the recessive traits are wrinkle and green
2. RrYy
3. RrYy and RrYy
4. rrYy or rrYY
explanation: 1. the capitol letters are the dominant trait and the lowercase the receive .
2. Heterozygous means you have 2 different alleles
3. You take the first letter out of each section on both parents
The Rocky Mountains formed 80 million to 55 million years ago during the Laramide orogeny, in which a number of plates began sliding underneath the North American plate. ... Since then, further tectonic activity and erosion by glaciers have sculpted the Rockies into dramatic peaks and valleys.
Most of the present physiographic regions of the Great Plains are a result of erosion in the last five million years. Widespread uplift to the west and in the Black Hills caused rivers draining these highlands to erode the landscape once again and the Great Plains were carved up.