Areas by the coast (like the one pictured) will often change due to the wind 1 point patterns. It forms small hills that can be stabilize by some plants, but will
continuously shift over time. This is an example of:
Dunes
Morianes
Sandspit
Eskers

answer; i believe that the correct answer is(d) nondisjunction during meiosis;

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides