Geologists rely on the Rule of Superposition to determine the age of geological structures. This rule assumes that no significant event took place and so older rock layers are positioned below the newer ones, similar to a stack of dirty dishes, where the newer ones are added on top and the older ones are further below.
Its c, her father is nearsighted and wears concave lenses to correct it.
Answer: For building amino acids, proteins and nucleic acids.
Explanation:
Living cells requires nitrogen because they are major part of amino acids. They form the building block of protein and nucleic acids such as DNA which carry the genetic information and is passed from generations to generations. Plants and animal need nitrogen for growth and survival. The protein is use for building and repairing muscles and it is a necessity for growth.
Around the ages 9-14. On average, 12 is the average age.
If a pesticide that inhibits acetylcholinesterase is present in a muscle, THE MUSCLE WILL BE CONTRACTING REPEATEDLY.
The enzyme, acetylcholinesterase is the one responsible for the termination of muscle contraction, when this enzyme is deactivated, the muscle contraction will not be turned off and the concerned muscle will contracts repeatedly.
