Which organism provides energy to all other organisms in this ecosystem?
a.
prairie dog
b.
prairie grass
c.
vulture
d.
coyote

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases