Rahul is wrapping a gift that has the dimensions shown. What is the least amount of wrapping paper he
will need?

it would lead to upper respiratory infections and pneumonia.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

not only is it colder, it also becomes darker, less salty, and more dense.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products