<span>The difference that you are searching for is the addition of Appendages. They appeared in Cambrian animals and were used to increase their physical capabilities like when sensing and processing the information found in the environment. Common appenadges found in animals are things like antennae found in insects that are used to help them communicate or notice things or similar things.</span>
Answer:
Explanation:
The charge of an atom is the number of protons minus the number of electrons. Usually, these two numbers are equal, so the atom is neutral (charge of zero). Answer 8: An atom is defined as having the same number of electrons (negative charge), protons (positive charge) and neutrons (no charge).
Answer:
The Earth moon rotates in the same amount of time that it revolves.
Explanation:
The moon is the only Earth's natural satellite and it orbit round the Earth. It is the fifth largest natural satellites. It was formed not long after the formation of the Earth. The moon rotates on its axis . The moon rotate once and it's matches the period it's orbit making it to keep the same side facing of the Earth. This means that the moon the moon rotates once every time it revolves the Earth.
The site for gas exchange in the lungs is the alveoli.
