Which of the following organisms in the Gulf of Mexico experiences an immediate increase of population due to fertilizer runoff into the Mississippi River?

bacteria

phytoplankton

dolphins

fish

When analyzing tree rings, what do scientists assume a thin ring indicates?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart