<span>In the reaction that builds a fat, hydroxil groups react with carboxyl groups. Both hydroxil and carboxyl are </span><span>functional </span>groups<span> in biological molecules. The h</span>ydroxil group is group of atoms found in organic compounds, expressed with the formula OH. The carboxyl group are found in acids.
Fossils are the remains or impression of the dead animals and plants that lived in the past.
Answer:
Polar
Explanation:
A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds, because the atoms share electrons. The hydrogen atoms have one electron each.
Answer:
Waxing crescent and first quarter
Explanation:
A waxing crescent moon is when the Moon looks like crescent and the crescent increases ("waxes") in size from one day to the next. This phase is usually only seen in the west. The first quarter moon (or a half moon) is when half of the lit portion of the Moon is visible after the waxing crescent phase.