Answer:
B. Fossil
Explanation:
According to National Geographic, "Fossils are the preserved remains, or traces of remains, of ancient organisms." When you find the impression of a leaf, the leaf imprint is the preserved remains of the leaf.
The amount of water reabsorbed during the formation of urine can be changed by hormones, enabling the creation of either concentrated or diluted urine. The duct serves this purpose.
In heating, ventilation, and air conditioning (HVAC), air is delivered and removed by ducts, which are conduits or passageways. Examples of the necessary airflows include supply air, return air, and exhaust air. As part of the supply air, ducts frequently deliver ventilation air as well. As a result, air ducts are one way to guarantee both thermal comfort and adequate interior air quality. The brain releases a substance called antidiuretic hormone (ADH), which makes the kidneys release less water and reduces the volume of urine generated. The body makes less pee when its ADH level is high. A low
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Answer:
Double Helix
Explanation:
It is called the double helix for the signature shape that a DNA strand takes.
Covalent bonds are formed when two non metal atoms share an electron. The atoms either give up or gain an electron, due to the outer shell being unstable.
