Answer:
Velocity divided by mass (evan though you don't need it now :P)
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Yeast. Yeast causes the mixture with flour to become light and airy thus increasing size as temperature is applied.
D) chemical weathering
Explanation:
When large rocks crumble due to oxidation, chemical weathering has taken place.
- Weathering is an essential process on the earth. It is driven strictly by the external heat engine.
- Weathering is defined as the physical disintegration and chemical decomposition of rocks to form sediments and soils.
- When rocks decompose chemically, their structure weakens because they undergo chemical reactions.
- During oxidation, oxygen combines with rock materials to form new products. This one process of chemical weathering.
- Other examples are hydrolysis, carbonation, hydration e.t.c
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The single replacement reaction is
Mg + 2 HNO₃ → Mg(NO₃)₂ +H₂
<u><em>Explanation</em></u>
- <u><em> </em></u>Single replacement reaction is type of chemical reaction in which element react with compound and take the place of another element in that compound.
- The reaction above is a single replacement because Mg ( an element) react with HNO₃( a compound) and Mg replaces H from HNO₃ to Mg(NO₃)₂ and H₂