Amount of wear, and how long they are may contribute with age and maybe even coloration and pigment.
The correct answer is - A. A few centimeters a year.
Earth's crustal plates move very slowly, between 2 cm and 5 cm (depending on the plate) annually. This is the reason why it takes millions of years for them to significantly change their position, and with it the appearance of our planet. These crustal plates are slowly moving around the planet because they are powered by flow in the interior mantle.
To substances that are bonded together but can be taken apart
Answer:
The child's father has type O blood.
