The two substances are rock (molten and solid) and metal (solid + liquid).
Layers of the earth from the outside in:
1. crust. hard rock/dirt/ground. Shell
2. mantle. melted rock and stuff. Egg white
3. core. Outer core - liquid. Inner core- solid. Nickle and iron. Yolk
Answer:
tissue
Explanation:
a tissue is a group of cells that work together to perform a common function
Regulation- the process of the blood sugar becoming regulated by insulin (glucose).
Brain size has increased nearly 3x in 4 million years.
Answer:
Commenting so you can give the other dude Brainliest. answer is correct :)
