In baking biscuits and other quick breads, the
baking powder reacts to release carbon
dioxide bubbles. the carbon dioxide bubbles
cause the dough to rise. is this chemical or physical

Which compound contain an iron with a 3+ charge

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.