2. A. Sebaceous glands
Lipids are macromolecules which provide insulation.
<span>A macromolecule is a large molecule. There are four groups of macromolecules: carbohydrates, proteins, nucleic acids and lipids. Lipids consist of glycerol and fatty acids and are constructed from fats, oils, waxes, phospholipids and steroids. A lipid's function is to insulate the body and provide warmth in cold conditions. It can be concluded that a person with very little body fat gets very cold easily and a person with a lot of body fat gets very warm very quickly.
3. B. Thinner
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Answer:
Explanation:
In the Precipitation Map of Washington, the dark orange section indicates low rainfall in the region. Using the Shaded Relief Map of Washington, you can tell that this area is flat, possibly a plain. These areas normally don't get a lot of moisture. The Washington Precipitation Map has regions that are dark purple and dark orange. This means that they both get a lot of rain every year. If you look at these areas on the Washington Shaded Relief Map, you can see that these areas with a lot of rainfall are mountainous.
On the Washington Precipitation Diagram, purple/blue means more rain, and orange/red means less rain. Washington's Shaded Relief Map shows the mountains (br)
Answer:
When body temperature returns to normal, the nervous system sends a message to the muscular system to stop shivering
Geothermal plants rely in energy from hot springs to produce electricity so the correct answer is B.
