Answer:
A black hole
Explanation:
A black hole is very dark. And it's also an opening.
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Answer:
d. provide insulation against cold temperatures.
Explanation:
Lipids are biomolecular substances that are soluble in non,polar solvents. Lipids are present in every cell of the human body and are the main part of the cellular membrane.
One of the main functions lipids do is storing energy. If a person eats excessive amount of food, lipids help store the energy in the form of fat molecules in the body to use later.
Also, lipds can be used interchangeably as fats - triglycerides which provide insulation against cold temperatures.
False Chemical cold packs should be stored in a refrigerator.
A chemical cold pack consists of a bag within a bag. The inner bag contains water. The outer bag typically contains urea or ammonium nitrate. When the inner bag is broken, the water mixes with the chemical in the outer bag, dissolving it. As the chemical dissolves, this is an endothermic reaction. As the reaction absorbs energy, the device cools down.
This cooling will occur independent of whether the cold pack is stored in the refrigerator or not.
They're can be a possibility that you need to replace that contact
