Answer: Index fossils are used to identify layers of rocks. The layers will form an arrangement that relates to their age. In simpler terms, a layer that contains fossils are unique to that certain layer.
Index fossils are fossils that are mostly used by scientists due to it being easily found anywhere around the world and in abundant amounts. It can also be easily identified since they are fossils of widely varied organisms that lived during one short time period.
Explanation:
D the substance get downeards
Question 1: All of the above
Question 2: Has mass and takes up space
Question 3: True
Question 4: A<span> definite volume but no definite shape.
Question 5: Liquid
Question 6: A</span><span> substance with a high conductivity that easily transfers heat
Question 7: Liquid to solid </span>
Earth would basically look like the Moon; minus the craters, of course. This is because with no atmosphere to hold all of the Oxygen near the surface, all life would die off fairly quickly.
S phase
M phase (mitosis) is usually followed by cytokinesis. S phase is the period during which DNA replication occurs. The cell grows (more...) The duration of these cell cycle phases varies considerably in different kinds of cells.
