Answer: core
Explanation:
The core is the thickest layer of the Earth, and the crust is relatively thin, compared to the other layers.
I think the answer you are looking for is calorie with a lowercase "c". However the substance should be water.
Organisms make gametes through meiosis.
Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. These cells are our sex cells – sperm in males, eggs in females.
