The answer to this question would be: D)there are a few types of enzymes, but they each perform many types of reactions.
Enzyme is vital for a living since it will speed up the chemical reaction rate. This will help much in making and processing energy. But enzyme works like lock and key, which means that a specific enzyme will help specific reaction.
The best improvement to these instructions that Keisha can make
immediately and easily is to describe where the instructions start from.
Does the route start from Keisha's house? From her friend's house?
From my house ?
Knowledge of the coordinate reference frame makes a big difference,
and it's essential.
When transitioning from a mostly rural to a mostly urban society, it is important to keep sustainability in mind. Try to find ways in which the most energy is conserved, which will increase employment and lower revenue and pollution.
