Consulte los tres avances cientificos mas importantes, a traves, de la historia para la humanidad y el por que

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

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time

the correct answer was location c, because earth is tilted away from the sun at this time