the answer is C or the third one down, Layer A is the outer core because its made of iron and nickel
Answer is in the file below
tinyurl.com/wpazsebu
They most likely uses a sample and a microscope to see.
Answer:
The secretory portion is found in the dermis, the middle layer of the skin. Sometimes it's also found in the hypodermis, the deepest layer of our skin. The secretory portion of a sweat gland is a twisted and coiled tube that has an opening at its very top.
Explanation:
hope this helps :}
