Develop renewable resources, improve agricultural methods, improve fuel efficiency, and reduce petroleum use
It should be A! Bowen's reaction series where minerals form from magma in predictable patterns! (:
I hope all is well, and you pass! Good luck, rockstar! (:
Basically the Earth is layered because of gravity. The earth formed in the molten state. The liquid iron which is very dense fell to the center. The rest of the earth is made up of silicate materials with SiO2 being the main component.
hope this helps!
Answer:
Humans and most other mammals have two sex chromosomes, the X and the Y. Females have two X chromosomes in their cells, while males have both X and a Y chromosomes in their cells. Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome.
Explanation:
