Answer:
sand
Explanation:
sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand sand
Answer: True
Explanation:
The index fossil are the fossils that are of animals and plants that remained preserved in the rock of the earth. It describes the particular span of the geological time or the environment. An index fossil can be easily recognized, is widely distributed and abundant.
The index fossil is the basis for defining the boundaries of the geological time scale with the correlation of the strata.
Those organisms which exhibited the short vertical range that is the life span on earth and the wide lateral range that is geographic distribution can be included as index fossil.
These fossils are indicative of the environment in which the organism used to live.
Are you referring to a picture? if not, stars range in size from neutron stars, which vary anywhere from 20 to 40 km in diameter
Erosion needs Earths rock
Erosion is wearing down and carrying away rocks by wind and moving water, happens faster with steep hillsides and heavy rain