It was believed that a asteroid hit the Earth (specifically Mexico) when the asteroid hit it caused a freezing darkness due to dust and debris being kicked up by the asteroid . The dust and debris blocked the sunlight causing a temperature drop.
Animals such as sharks have diffrent levels of structres organization in their bodies. each cell in a multicellular organism does not perform every life function
Answer:
<h3>Each year, the tree forms new cells, arranged in concentric circles called annual rings or annual growth rings. These annual rings show the amount of wood produced during one growing season. ... They form the summerwood (latewood) which appears as a darker ring on the tree cross section.</h3><h3>Hoped This Helps!!</h3><h3> Have A Nice Day! :)</h3>
Molecules move from an area of high concentration to an area of low concentration is F A L S E .