Which two observations were used as evidence for the idea of continental drift?
A. Most volcanoes on Earth form at plate boundaries.
B. Different continents have fossils of the same animals and plants.
C. The shapes of coastlines of different continents appear to fit
together.
D. Earth has a very thin crust and a very thick mantle.

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.