What is the best way to check the rellability and validity of a resource?

The best way to check the reliability and validity of a resource is :

Analyze the author's education and professional background

Not saying that author with high education and solid expertise in the subject is always 100 % correct. But most of the time, their resource is often found based on solid analytical evidence and high understanding.

hope this helps :3

Explanation:

Have A Wonderful Day !!

The best way to check the validity and reliability of a resource is by analyzing the author's education and professional background. Explanation: Once you've been to the library and checked out books, copied articles, and printed information from Web sites, you have to decide which sources to use.

Explanation:

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.