Answer:
The most common directly preserved fossils are unaltered hard parts of a living organism, like shells, teeth, and bones. ... After the remains of an organism have been buried and cemented within sediment, water percolating through the sediment leaches out the fossil. This leaves a cavity in the rock, called a mold.
Explanation:
Andrew Jackson and Martin Van Buren
The Indian Removal Act was signed into law on May 28, 1830, by United States President Andrew Jackson. The law authorized the president to negotiate with southern (including Mid-Atlantic) Native American tribes for their removal to federal territory west of the Mississippi River in exchange for white settlement of their ancestral lands.The Act was signed by Andrew Jackson and it was strongly enforced under his administration and that of Martin Van Buren, which extended until 1841.
Answer:
hmmm
Explanation:
Im sooooo sorry I needed points but try looking it up- and if you cant get the answer ill do it for you
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