Figure out which step in the scientific method is being used. more than one answer may be necessary.
"my graph shows that dog hair grows faster than human hair."
draw conclusions
analyze
observation
hypothesis
report news
problem question
experimentation

i think the answer is b.

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.

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

a. 35°c

b. 25°c

c. 10°c

d. 40°c