Answer:
When a cold front overtakes a warm front, it creates what's called an occluded front that forces warm air above a frontal boundary of cooler air masses.
Explanation:
The presence of a cold front means that cold air is advancing and pushing underneath warmer air. This is because the cold air is ‘heavier,’ or denser, than the warm air. Cold air is thus replacing warm air at the surface.
the answer would be A Do not run out because they are renewable
Answer:
lipid, fatty acid, cell membrane
protein, amino acid, enzyme
carbohydrate, sugar, starch
nucleus acid, nucleotide, DNA
Answer:
Plural form of ovary is ovaries.
The abbreviation that represents as desired is ad lib