Many species of plants can absorb heavy metals: those with atomic number greater than 20.
Some are essential for plant growth. These include
Mg, Mn, Fe, Ni, Cu, Zn, and Mo
Plants can absorb other heavy metals, but we don’t know their biological function. Among these are:
Co, Se, Cr, Cd, Ag, Hg, and Pb
Https://learn.sparkfun.com/tutorials/analog-vs-digital
<span>Sand dunes are formed from wind
movement. There needs to be a large amount of loose sand in an area with
hardly any vegetation, enough wind to move grains of sand and some kind
of obstacle to make the blowing sand lose its momentum and settle in a
new place</span>
Answer:
lol one time some random person came up to me one the street and screamed "theyre coming, hide!!!" i was sooo confused
Explanation: