In Alaska, salmon feed on tiny plants called phytoplankton. During late summer, salmon gather in rivers to reproduce. Grizzly bears visit these rivers to feed on the large number of salmon. Phytoplankton are . Both the salmon and the grizzly bears are . Grizzly bears are .

The primary benefit of taking into account a child's interests while selecting exercise activities is that the child will a. play more willing with others b. succeed at their favorite activity c. allow parents to relax afterwards d. gain motivation to exercise select the best answer from the choices provided.

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine