You are telling your friend about what you've learned about organic molecules. you told her that organic molecules are all made up of carbon backbones with hydrogens. she doesn't understand how there can be so many different organic molecules if they all are made up of the same basic components. what do you tell her to explain?

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

~fourth largest plate ~includes parts of the indian and atlantic oceans ~subducts below the eurasian plate on the west side ~ the arabian and somali plates form boundaries with it what is the name of the tectonic plate described above? a) african plate b) eurasian plate c) north american plate d) indo- australian plate