Which of the following plants are involved in the nitrogen cycle?
a)photosynthetic plants
b)algae
c)legumes
d)large trees

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?

The basic kind of life cycle found in the simplest animals is: haplontic or diplontic