<span>A: The proportions of a population that are at different age levels make up the population’s age structure. </span>
Answer:
Explanation:
Electricity is a flow of tiny particles called electrons which can travel through wires. This flow is often called an 'electric current'. Just like water, which can only flow down a hill, an electric current can only flow if there's something to give it a 'push'.
sorry if im incorrect
Answer:
The suns average density is greater than water's.
Density (avg) of the sun: 1.4 g/cm
Density of H20: 1.0 g/cm
Have a good day!
A seals flippers has finger bones when a birds wing is just a bone connected to other joints.
Answer:
C. internal fertilization
Explanation:
The release of eggs and sperm into the water is known as spawning.
