1. rock made from particles deposited by running water metamorphic
2. outer shell of the earth
crust
3. central sphere of iron
igneous
4. rock cooled from magma
sedimentary
5. interior layer of rock
Newton
6. first to calculate earth's variable diameter
mantle
7. rock changed by heat and pressure
core

google my dude. if it doesn't show up ask me.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

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