The correct answer is A) at least 500.
The rocks in which the fossils are found, are more often then not, indicators of the age of the fossil itself. So if the estimate of the fossil's age is 500 MYA then the rock is of at least the same age, most of the time older then the fossil.
The first sign of a complex society in Mesoamerica were the Olmec.
The Milky Way. Hope this helps
This technique entails that community members execute various chores. Job specialization splits a community's labor into distinct tasks and allocates these jobs to various people. Job specialization results in increased competency as well as efficiency and production. As a result of the Neolithic Revolution's food surplus and population rise, job specialization developed.
Answer:
Solar energy.
Wind energy.
Geothermal energy.
Hydropower.
Explanation:
Solar energy, Wind energy, Geothermal energy and Hydropower are the renewable resources from which energy is produced and they will never run out because they are produce by nature in large quantity. Solar energy is the energy produced from the sun, Wind energy is the energy produced from the speed of wind, Geothermal energy is the energy produced from the heat of earth and Hydropower is the energy produced due to falling water from higher altitude.