Answer:
Layer A is the crust and Layer B is the mantle.
About the geologic time scale divisions
The geologic history of the Earth is broken up into hierarchical chunks of time. From largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.
Answer:
1) types of music - independent
performance in doing homework - dependent
person - control
2) period of time - control
number of flowers - dependent
types of rose bushes - independent
Explanation:
The esophagus squeezes food down the digestive tract by an involuntary synchronized muscle movement called the Peristalsis
Answer:
False
Explanation:
because internal fertilisation occurs in most bony fish, many reptiles, some cartilaginous fish, most amphibians, two mammals, and all birds. Reptiles and insects produce leathery eggs, while birds and turtles produce eggs with high concentrations of calcium carbonate in the shell, making them hard.