Answer:
✔ D) <em>starfish and sand dollars</em>
** is the correct answer **
Explanation:
is the correct answer crinoids are echinoderms, animals with rough, spiny surfaces and a special kind of radial symmetry based on five or multiples of five.
http://geokansas.ku.edu/crinoids
The ductus arteriousus is a blood vessel that connects the pulmonary artery to the descending aorta. Otherwise known as the ductus Botalli, this structure pumps blood into the fetus' non-functioning lungs from the right ventricle. This blood vessel will close at birth and becomes the ligamentum arteriousum.
The correct answer is <span>a. fibrous carcinogen. </span>
All you would have to do is sum them up cause their going the same direction.
Answer:
In agriculture, leaching is the loss of water-soluble plant nutrients from the soil, due to rain and irrigation. ... As water from rain, flooding, or other sources seeps into the ground, it can dissolve chemicals and carry them into the underground water supply.