Answer:
Index Fossils
Explanation:
Index fossils are used by scientists to help them figure out the dating of discovered fossils or the correlation. They are also very known to appear in a (very) certain/specific age range.
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B) the amount of available resources
Answer:
d. All of the above
Explanation:
Wildfires are useful in controlling the ecosystem disturbed due to some diseases and insects.
With the help of wildfire, there will be a temporary loss in some region but it will lead to extraordinary growth.
Wildfire improves the soil quality by decomposing the organic material and renewing the soil nutrients.
There are chances of habitat loss but it will increase the production of food grazers.
Certain plants can be reproduced through wildfire due to cracking their seeds.
Is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids; breathing in an airborne virus; or by being bitten by an insect.