Nails are formed by which layer? a. epidermal.
b. dermal.
c. hypodermal.
d. subcutaneous.

a. epidermal.

Explanation:

The epidermis is the outermost layer of the skin. The skin is made up of three layers.

The epidermis acts as a barrier to infection and regulates the amount of water released from the body

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.

well, since there is no answer choices, i will give an answer on how it works : )

the two objects are placed together. energy will always be transferred from the hotter object to the cooler object until they are equal. hope this is close to one of the answer choices : )