Having studied tectonics in school, Roberto grew interested in tectonic plates and how they move. Plates move in different ways along plate boundaries. What determines how the plates interact at their boundaries?
A. the materials the plates are made of
B. the difference in thickness of the plates
C. the kind of plates they are and whether they keep moving
D. the kind of boundary and the directions in which the plates are moving

Protein synthesis actually begins in the nucleus when transcribes a single gene on the dna molecule is copied. the process of copying this gene is called this copy is known as and contains the protein building instructions. this copy is sent out into the cytoplasm to the part of the cell known as the the of the ribosome will join together to form a functional ribosome when they attach to the mrna. as the mrna moves through the ribosome, the message is read by transfer rna brings the correct back to the ribosome. the amino acids are placed in the correct order and are hitched together by

Which is an example of a decomposer? a. bear b. algae c. grass d. bacteria d bacteria

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.