Modern humans started spreading from Africa to Europe, Asia, and Australia some 100,000 years ago – a process that took about 70,000 years. We also know that at some point in the past 25,000 years, a group managed to reach America from Siberia at the end of the last ice age.
However, exactly when this occurred and which route these early pioneers took has long been debated. Now new research based on ancient DNA and plant remains from lake deposits, published in Nature, is finally helping us to answer these questions.Lake sediments can help shed light on the plant and animal life of this period because the successive layers of sediment allow us to step back in time to reveal a history of past environments. The researchers recovered sediment cores dating back to almost 13,000 years ago from an area of the corridor which is thought to be the last to become ice-free. Identification of the pollen grains and small fragments of plants in sediments are important in revealing vegetation development.
<u>Standards</u> are accepted specifications providing specific details on how a policy is to be enforced.
More about policy:
A formal, high-level declaration with widespread implementation across the University that aims to foster operational effectiveness, advance the University's mission, or lower institutional risk. Policies outline the steps that must be taken and may link those steps to standards or processes.
More about the standards:
Standards are requirements for how a policy must be carried out. They are recognised specifications that offer precise information on how a rule is to be applied.
A standard is a requirement that must be followed in order to comply with and support a policy. A standard should increase the significance and efficacy of a policy. Typically created in line with published requirements, one or more recognised specs must be included. Regulations, specifications, or requirements from the federal, state, or industry.
Learn more about standard here:
brainly.com/question/5323957
#SPJ4
Answer:
c. funded by the U.S. government
Explanation:
The National Environmental Policy Act -
It is funded by the government of the United States ,enacted in the year 1970 , on January 1 ,
it is an environmental law which promotes the established of the President's Council on Environmental Quality and enhancement of the environment .
Hence , from the given options , the correct answer for NEPA is ( c ) .
Answer:
Option C: IQ score
Explanation:
Behavioral genetics can simply be said to be a knonw field of study. It view is of the opinion or attempts to explain how individual differences in behavio like personality traits are shared by biological relatives.
According to studies of twins has a lot in common when compared to non-twin relatives, the average heritability coefficient for most traits