6-C (breaks off)
7-C(they secrete acid that breaks away rocks)
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.
photosynthesis produces oxygen and glucose as the end products whereby the glucose is used as food by plants and oxygen as a byproduct.
cellular respiration produces water and carbon dioxide and the end products and by products where by energy is stored
<span>E. chemical complexes of RNA or DNA protected by protein shell
https://quizlet.com/9713220/chapter-20-viruses-bacteria-and-archaea-flash-cards/
</span>
