Answer:
D, core
Explanation:
The outer core is located just below the mantle. It is made of liquid iron and nickel. Scientists believe this layer is responsible for the Earth's magnetic field. It is about 2,200 kilometers thick and around 4,500 degrees Celsius.
Organic molecules can range in size from simple molecules to complex structures containing thousands of atoms! Although carbon is present in all organic compounds, other elements such as hydrogen , oxygen , nitrogen , sulfur and phosphorus are also common in these molecules.
Answer:
The correct option is <u>B. Lipids</u>
Explanation:
Lipids can be described as molecules which dissolve in non-polar solvents and cannot dissolve in water. The biological function of a lipid molecule is to store energy as well as to structure the shape of cell membranes. Lipids are also used in a cell for signalling.
Lipids are made up of carbon, hydrogen and oxygen. Some lipids might have phosphorus in them like the phospholipids which make up the cell membrane.
B. To contrast between the high and low concentration of molecules.
for example a solution with a higher solute concentration than the inside of the cell is called hypertonic
Answer:
False
Explanation:
A family of orientation refers to the family into which a person is born. A family of procreation describes one that is formed through marriage. These distinctions have cultural significance related to issues of lineage.
