Mammals do; I'm in my science class
<span>9 kilocal per gram of fat 21 grams of fat*9 kilocal per gram of fat = 189</span>
Compounds are made up of elements.
Elements are the ones we pull straight out from the periodic table.
For example:
H2O, HCl, NaCl, NaOH --> these are all compounds
H, N, B, Ne, Na, Cl, O, K --> these are all elements.
<span>a. predict the traits of the offspring of genetic crosses.</span>
