What is an ophiuroid?
a. sea urchins
b. tunicate
c. salps
d. brittle stars
e. sea cucumbers
d
You might also like to view...
For the following acid-base reaction, identify which salt is formed. HCl + NaOH ? ???? + H2O
A. H3OCl B. NaOH2Cl C. NaOH2 D. NaCl E. none of the above
The surface pressures at the bases of warm and cold columns of air are equal. Which of the following describes the air pressure in the warm column of air compared to the air pressure in the cold column?
A. It increases with increasing height more slowly than in the cold column. B. It increases with increasing height more rapidly than in the cold column. C. It decreases with increasing height more rapidly than in the cold column. D. It decreases with increasing height more slowly than in the cold column.
Deep-well injection ________
A) has been banned as unsafe by the Dept. of the Interior B) is the EPA-approved method of disposing of low-level radioactive wastes C) is a pool of strong acids on the land surface used for breaking down e-waste D) is a method of disposing of hazardous wastes in deep aquifers E) involves the injection of hazardous wastes into porous rock deep beneath human water supplies
A(n) ________ stream is actively eroding or depositing material in its channel so that its gradient is adjusting to carry the sediment load
A) disequilibrium B) ungraded C) channel D) equilibrium E) graded