Answer:
b. 2-4 (somewhat trustworthy; want to check some things)
Explanation:
For to have think of opening the site in my browser, its means i somehow trust the messages on the site. though i may not have full confidence on the site because have not been visiting it frequent.
the point still remains, the source of information to the link to the site might has well be trusted, therefore i will assume the site is somewhat trustworthy; want to check some things.
Cardiac Muscle Tissue<span>. Cardiac </span>muscle tissue<span> is an extremely specialized form of </span>muscle tissue<span> that has evolved to pump blood throughout the body. In fact, cardiac </span>muscle<span> is only found in the</span>heart<span> and makes </span>up<span> the bulk of the </span>heart's<span> mass.</span>
Biologists do not fully understand DNA because there are constant changes and new discoveries developing.
Answer:
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period.