While writing a research paper, dan finds a new online encyclopedia by a company he has never heard of before. dan’s friend mike urges him to stick to sources he knows are safe and credible. why is mike so concerned? i. many online references are not regulated by academic agencies. ii. online references may contain incorrect information. iii. online sources are never acceptable for use in a research paper. a. i only b. ii only c. i and ii only d. i, ii, and iii

It's C. There are many trustworthy on-line references like the Stanford Encyclopedia of Philosophy.

Dan's friend Mike urges him to stick to sources he knows are safe and credible.Mike is concerned because:

(1) many online references are not regulated by academic agencies.

(2) Online references may contain incorrect information.

( C.) 1 and 2 only

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.